Numbers

Number Concept - Arranging objects according to size

By the end of the lesson, the learner should be able to:

- Arrange objects from the smallest to the largest
- Compare objects of different sizes
- Show interest in ordering objects

- In pairs/groups, collect 10 small stones of different sizes and arrange them from the smallest to the largest
- Discuss and share their arrangements with other groups
- Observe pictures of apples arranged from smallest to largest
- Arrange objects in their class in order of size from smallest to largest

How do we arrange objects according to size?

KLB Mathematical Activities Grade Three pg. 1
- Small stones of different sizes
- Objects in the classroom
KLB Mathematical Activities Grade Three pg. 3
- Cards of different sizes
- Pictures of objects of different sizes

- Observation - Oral questions - Written exercises

Numbers

Number Concept - Identifying position of objects from 1st to 20th
Number Concept - Writing positions in number symbols and words
Number Concept - Writing positions in number symbols and words
Number Concept - Application of ordinal numbers in real life situations

By the end of the lesson, the learner should be able to:

- Identify positions of objects from 1st to 5th
- Write positions in number symbols (1st to 5th)
- Show interest in learning about positions

- Study pictures showing positions of people in a queue
- Identify who is in first, second, third, fourth, and fifth positions
- Discuss how to write positions in symbols (1st, 2nd, 3rd, 4th, 5th)
- Record and discuss positions of 5 learners running a race

What is the position of each person in a line?

KLB Mathematical Activities Grade Three pg. 4
- Pictures showing positions
- Playing field for races
KLB Mathematical Activities Grade Three pg. 5
- Charts showing positions
- Cards with position numbers and words
KLB Mathematical Activities Grade Three pg. 6
- Alphabet cards
- Position cards
KLB Mathematical Activities Grade Three pg. 7
- Position word cards
- Objects of different sizes
- Pictures showing positions
KLB Mathematical Activities Grade Three pg. 8
- Charts showing daily routines
- Calendar showing months of the year

- Observation - Oral questions - Written assignments

Numbers

Number Concept - Application of ordinal numbers in real life situations
Whole Numbers - Counting forward up to 1000 from any point
Whole Numbers - Counting forward up to 1000 from any point

By the end of the lesson, the learner should be able to:

- Use ordinal numbers to describe the birth order in a family
- Apply ordinal numbers in competitions
- Value the importance of ordinal numbers in real life

- Share birth orders in their families using ordinal numbers
- Role-play competitions and identify positions of participants
- Discuss scenarios where ordinal numbers are used in daily life
- Create stories involving ordinal numbers

When do we use ordinal numbers in our daily lives?

KLB Mathematical Activities Grade Three pg. 8
- Pictures showing positions in competitions
- Stories involving ordinal numbers
KLB Mathematical Activities Grade Three pg. 19
- Number charts
- Number cards
KLB Mathematical Activities Grade Three pg. 20
- Number cards
- Counters

- Observation - Oral questions - Written assignments

Numbers

Whole Numbers - Counting backward in multiples of 100 from 1000
Whole Numbers - Place value of numbers up to hundreds

By the end of the lesson, the learner should be able to:

- Count backward from 1000 in multiples of 100
- Count backward in different intervals
- Show enthusiasm when counting backward

- In groups, take turns to rope skip as they count in turns: 1000, 900, 800...
- Count backward in hundreds: 1000, 900, 800, 700, 600, 500...
- Complete number sequences with missing numbers
- Play counting games involving backward counting

How do we count backward from 1000 in multiples of 100?

KLB Mathematical Activities Grade Three pg. 24
- Number cards
- Number charts
- Rope for skipping
- Counters
- Abacus
- Place value charts
- Base ten blocks

- Observation - Oral counting - Written exercises

Numbers

Whole Numbers - Place value of numbers up to hundreds

By the end of the lesson, the learner should be able to:

- Identify place value of numbers up to hundreds
- Represent 3-digit numbers on an abacus
- Appreciate the importance of place value

- Identify how many ones, tens, and hundreds are shown on an abacus
- Represent 3-digit numbers on an abacus
- Complete sentences like "248 is _ hundreds _ tens _ ones"
- Write numbers represented on an abacus

How can we identify the place value of each digit in a 3-digit number?

KLB Mathematical Activities Grade Three pg. 26
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 30

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Reading numbers 1 to 1000 in symbols
Whole Numbers - Reading and writing numbers 1 to 100 in words

By the end of the lesson, the learner should be able to:

- Read numbers 1 to 500 in symbols
- Write numbers 1 to 500 in symbols
- Show interest in reading numbers

- Write and read numbers between 1 and 100
- Write and read numbers between 100 and 200
- Write and read numbers between 200 and 500
- Read numbers like 101 as "one hundred one"

How do we read numbers from 1 to 500?

KLB Mathematical Activities Grade Three pg. 33
- Number charts
- Number cards
- Flash cards
KLB Mathematical Activities Grade Three pg. 34
KLB Mathematical Activities Grade Three pg. 35
- Word cards

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Reading and writing numbers 1 to 100 in words

By the end of the lesson, the learner should be able to:

- Read numbers 51 to 100 in words
- Write numbers 51 to 100 in words
- Show interest in writing numbers in words

- Write five numbers between 51 and 100 on cards
- Read the numbers in turns
- Write the numbers in words
- Read and write numbers like 63 as "sixty-three" and 78 as "seventy-eight"

How do we write numbers from 51 to 100 in words?

KLB Mathematical Activities Grade Three pg. 36
- Number cards
- Word cards
- Flash cards
- Matching games

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Identifying missing numbers in patterns up to 1000

By the end of the lesson, the learner should be able to:

- Identify number patterns from 1 to 100
- Find missing numbers in patterns
- Show interest in number patterns

- Write numbers 1 to 20 on cards and arrange them to form different patterns
- Find missing numbers in sequences like 72, 73, 74, 75, _, _
- Identify the rule in patterns (e.g., adding 1, 5, or 10)
- Create their own number patterns

How do we identify the rule in a number pattern?

KLB Mathematical Activities Grade Three pg. 37
- Number cards
- Number charts
KLB Mathematical Activities Grade Three pg. 38
KLB Mathematical Activities Grade Three pg. 39

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Creating number patterns up to 1000

By the end of the lesson, the learner should be able to:

- Create number patterns with specific rules
- Identify the rule in number patterns
- Enjoy creating and solving number patterns

- Create patterns starting from given numbers with specific rules
- Create patterns like "Starting from 5, add 3" to get 5, 8, 11, 14, 17
- Identify rules in given patterns (e.g., add 5, add 10, etc.)
- Share patterns with classmates and solve each other's patterns

How do we create our own number patterns?

KLB Mathematical Activities Grade Three pg. 40
- Number cards
- Number charts
- Worksheets
- Pattern examples

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Playing games involving number patterns

By the end of the lesson, the learner should be able to:

- Play games involving number patterns
- Identify patterns in games
- Show enthusiasm for mathematical games

- Play number pattern games in groups
- Take turns creating and continuing patterns
- Use pattern cards for matching games
- Create their own number pattern games

How can we use games to learn about number patterns?

KLB Mathematical Activities Grade Three pg. 40
- Number pattern cards
- Game boards
- Pattern puzzles
- Digital devices (if available)
- Environmental patterns
- Craft materials
- Number cards
- Counting games
- Game materials

- Observation - Practical tasks - Peer assessment

Numbers

Addition - Adding a 3-digit number to a 2-digit number without regrouping

By the end of the lesson, the learner should be able to:

- Add a 3-digit number to a 2-digit number without regrouping
- Use place value charts for addition
- Show enthusiasm in addition

- Show 475 on an abacus and add 23 by putting 3 rings in the ones spike and 2 in the tens spike
- Practice vertical addition: 435 + 12 = 447
- Use place value charts to show addition
- Solve word problems involving such addition

How do we add a 3-digit number to a 2-digit number?

KLB Mathematical Activities Grade Three pg. 46
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 48
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding a 3-digit number to a 2-digit number without regrouping
Addition - Adding a 3-digit number to a 2-digit number with single regrouping
Addition - Adding a 3-digit number to a 2-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Add a 3-digit number to a 1-digit number without regrouping
- Use an abacus to add numbers
- Show interest in addition

- Take an abacus and show 342 on it
- Put 6 rings in the ones spike and observe the result
- Practice vertical addition: 214 + 5 = 219
- Work on exercises involving addition of 3-digit and 1-digit numbers

How do we add a 3-digit number and a 1-digit number?

KLB Mathematical Activities Grade Three pg. 43
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 52
KLB Mathematical Activities Grade Three pg. 54
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding a 3-digit number to a 2-digit number with single regrouping
Addition - Adding two 3-digit numbers without regrouping

By the end of the lesson, the learner should be able to:

- Add with regrouping from tens to hundreds
- Use place value charts for addition
- Show interest in addition with regrouping

- Add 451 + 82 vertically
- Add ones: 1 + 2 = 3
- Add tens: 5 + 8 = 13, regroup as 1 hundred and 3 tens
- Add hundreds including the regrouped hundred
- Solve exercises with similar addition

How do we regroup from tens to hundreds when adding?

KLB Mathematical Activities Grade Three pg. 55
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 59

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers without regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers horizontally
- Apply addition in solving problems
- Value addition in everyday life

- Practice horizontal addition: 506 + 123 = 629
- Add ones, tens, and hundreds separately
- Solve word problems involving addition of two 3-digit numbers
- Create their own word problems for peers to solve

How can we add two 3-digit numbers horizontally?

KLB Mathematical Activities Grade Three pg. 60
- Place value charts
- Number cards
- Word problem cards
- Base ten blocks
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers with regrouping from ones to tens
- Use place value charts for addition with regrouping
- Show enthusiasm in solving addition problems

- Draw a place value chart and show 637 + 248
- Add ones (7 + 8 = 15) and regroup as 1 ten and 5 ones
- Add tens including the regrouped ten
- Add hundreds
- Solve similar addition problems

How do we add two 3-digit numbers with regrouping from ones to tens?

KLB Mathematical Activities Grade Three pg. 61
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 62
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers with single regrouping
Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Add two 3-digit numbers with regrouping from tens to hundreds
- Use place value charts
- Show interest in addition with regrouping

- Work out addition: 562 + 291
- Add ones: 2 + 1 = 3
- Add tens: 6 + 9 = 15, regroup as 1 hundred and 5 tens
- Add hundreds including the regrouped hundred
- Solve similar addition problems

How do we regroup from tens to hundreds when adding two 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 63
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 64
- Word problem cards
KLB Mathematical Activities Grade Three pg. 66
- Number cards
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000

By the end of the lesson, the learner should be able to:

- Identify rules in addition patterns
- Apply rules to complete patterns
- Show enthusiasm for patterns

- Examine patterns like 10, 15, 20, 25, 30, 35 and identify the rule (add 5)
- Look at patterns like 35, 45, 55, 65, 75, 85 and identify the rule (add 10)
- Apply identified rules to extend patterns
- Create their own addition patterns with specific rules

How do we find and apply rules in number patterns?

KLB Mathematical Activities Grade Three pg. 67
- Number cards
- Number charts
- Worksheets
KLB Mathematical Activities Grade Three pg. 68

- Observation - Oral questions - Written exercises

Numbers

Addition - Creating number patterns involving addition up to 1000
Addition - Practicing addition using digital devices or other resources

By the end of the lesson, the learner should be able to:

- Create number patterns with addition rules
- Apply specific rules to create patterns
- Show creativity in making patterns

- Create patterns with specific rules, e.g., "Starting from 5, add 3" to get 5, 8, 11, 14, 17
- Create patterns starting from different numbers with various rules
- Exchange patterns with peers and identify the rules
- Design pattern puzzles for classmates to solve

How do we create our own addition patterns with specific rules?

KLB Mathematical Activities Grade Three pg. 69
- Number cards
- Number charts
- Worksheets
- Pattern examples
- Calculators
- Tablets/computers (if available)
- Digital mathematical games

- Observation - Oral questions - Written exercises

Numbers

Addition - Practicing addition using digital devices or other resources

By the end of the lesson, the learner should be able to:

- Use various resources for addition
- Solve addition problems using different tools
- Value different approaches to addition

- Use manipulatives (counters, abacus, base ten blocks) for addition
- Use number charts and number lines for addition
- Create addition games using available resources
- Solve addition problems using preferred resources

What resources can we use to practice addition?

KLB Mathematical Activities Grade Three pg. 69
- Counters
- Abacus
- Base ten blocks
- Number charts
- Number lines
- Manipulatives
- Number cards
- Game boards
- Worksheets

- Observation - Practical tasks - Oral questions

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number without regrouping

By the end of the lesson, the learner should be able to:

- Subtract a single-digit number from a 3-digit number without regrouping
- Use place value charts for subtraction
- Show interest in subtraction

- Observe demonstration of subtraction on an abacus: 278 - 5 = 273
- Subtract vertically with place value understanding
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract a single-digit number from a 3-digit number?

KLB Mathematical Activities Grade Three pg. 76
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 78
KLB Mathematical Activities Grade Three pg. 79
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Subtract with regrouping from tens to ones
- Use an abacus for subtraction with regrouping
- Show enthusiasm in learning subtraction

- Work in groups to subtract 764 - 9 using an abacus
- Recognize that 9 cannot be directly subtracted from 4
- Take one ring from tens spike and convert to 10 rings in ones spike
- Subtract 9 from 14 to get 5
- Practice similar subtraction problems

How do we regroup when subtracting a single-digit number?

KLB Mathematical Activities Grade Three pg. 83
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 86

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping
Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping
Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Subtract with regrouping from hundreds to tens
- Use place value charts
- Show enthusiasm in subtraction

- Work out subtraction: 526 - 41
- Subtract ones: 6 - 1 = 5
- Recognize that 4 cannot be directly subtracted from 2
- Regroup 1 hundred as 10 tens, adding to 2 tens to get 12 tens
- Subtract 4 from 12 to get 8 tens
- Practice similar problems

How do we regroup from hundreds to tens when subtracting?

KLB Mathematical Activities Grade Three pg. 89
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 80
KLB Mathematical Activities Grade Three pg. 92

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting a 3-digit number from a 3-digit number with single regrouping

By the end of the lesson, the learner should be able to:

- Subtract with regrouping from hundreds to tens
- Use place value charts
- Show enthusiasm in subtraction

- Work out subtraction: 518 - 294 = 224
- Subtract ones: 8 - 4 = 4
- Recognize that 9 cannot be directly subtracted from 1
- Regroup 1 hundred as 10 tens, adding to 1 ten to get 11 tens
- Subtract 9 from 11 to get 2 tens
- Subtract 2 from 4 hundreds to get 2 hundreds
- Practice similar problems

How do we regroup from hundreds to tens when subtracting 3-digit numbers?

KLB Mathematical Activities Grade Three pg. 94
- Place value charts
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 96
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting up to 3-digit numbers involving missing numbers with single regrouping

By the end of the lesson, the learner should be able to:

- Fill in missing numbers in subtraction
- Use inverse operations to find missing numbers
- Show interest in subtraction puzzles

- Complete exercises like: 320 - □ = 315 or 320 - 5 = □
- Use inverse operations to find missing numbers
- Create their own subtraction puzzles with missing numbers
- Exchange puzzles with peers to solve

How do we find missing numbers in subtraction?

KLB Mathematical Activities Grade Three pg. 97
- Number cards
- Worksheets
- Place value charts

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Subtracting up to 3-digit numbers involving missing numbers with single regrouping
Subtraction - Working out missing numbers in patterns involving subtraction up to 1000

By the end of the lesson, the learner should be able to:

- Solve complex subtraction with missing numbers
- Apply appropriate strategies
- Value problem-solving in mathematics

- Solve more complex problems with missing numbers
- Apply different strategies to find missing numbers
- Create and solve their own subtraction puzzles
- Discuss when subtraction with missing numbers is used in daily life

How can we apply subtraction with missing numbers in real life?

KLB Mathematical Activities Grade Three pg. 97
- Number cards
- Worksheets
- Real-life scenarios
KLB Mathematical Activities Grade Three pg. 98
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Working out missing numbers in patterns involving subtraction up to 1000
Subtraction - Applying subtraction in real-life situations

By the end of the lesson, the learner should be able to:

- Create patterns with subtraction rules
- Apply specific rules to create patterns
- Show creativity in pattern creation

- Create patterns starting from 30 with the rule "subtract 2"
- Create patterns with various starting points and rules
- Exchange patterns with peers and solve each other's patterns
- Discuss different ways to create subtraction patterns

How do we create our own subtraction patterns?

KLB Mathematical Activities Grade Three pg. 99
- Number charts
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 98
- Environmental patterns
KLB Mathematical Activities Grade Three pg. 102
- Word problem cards
- Real-life scenarios
- Pictures

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Applying subtraction in real-life situations

By the end of the lesson, the learner should be able to:

- Solve various subtraction word problems
- Apply subtraction strategies appropriately
- Show interest in practical applications of subtraction

- Solve diverse word problems involving subtraction
- Share different solution strategies
- Create word problems based on real-life scenarios
- Discuss the importance of subtraction in daily life

In what ways can we apply subtraction in our daily lives?

KLB Mathematical Activities Grade Three pg. 103
- Word problem cards
- Real-life scenarios
- Pictures
- Real objects
- Role-play materials

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Modeling multiplication as repeated addition using numbers 1, 2, 3, 4 and 5 by 4 and 5
Multiplication - Multiplying a single digit number by a single digit number

By the end of the lesson, the learner should be able to:

- Model multiplication as repeated addition
- Use counters to represent multiplication
- Show interest in learning multiplication

- Use counters to form groups as shown in pictures
- Count the total number of counters
- Represent multiplication as repeated addition: 5 + 5 + 5 = 15 is 3 × 5 = 15
- Practice similar exercises using counters

How can we represent multiplication using repeated addition?

KLB Mathematical Activities Grade Three pg. 104
- Counters
- Pictures showing groups
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 106
- Base ten blocks
- Number cards
KLB Mathematical Activities Grade Three pg. 107
- Number cards
- Multiplication tables

- Observation - Practical tasks - Oral questions

Numbers

Multiplication - Multiplying a single digit number by a single digit number
Multiplication - Multiplying single digit numbers by 10

By the end of the lesson, the learner should be able to:

- Multiply single-digit numbers
- Use multiplication tables
- Value multiplication as a quick way to add equal groups

- Practice multiplying numbers like 4 × 3, 2 × 7, 6 × 8, etc.
- Use multiplication tables to find products
- Solve multiplication problems
- Create multiplication fact cards

How do we use multiplication tables to multiply single-digit numbers?

KLB Mathematical Activities Grade Three pg. 108
- Multiplication tables
- Number cards
- Counters
KLB Mathematical Activities Grade Three pg. 110
- Multiplication fact cards
- Word problem cards
- Game materials
KLB Mathematical Activities Grade Three pg. 111
- Place value charts
- Multiplication tables

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Multiplying single digit numbers by 10

By the end of the lesson, the learner should be able to:

- Multiply various single-digit numbers by 10
- Apply multiplication by 10 in solving problems
- Appreciate multiplication by 10

- Practice multiplying single-digit numbers by 10
- Use the pattern of adding a zero when multiplying by 10
- Solve word problems involving multiplication by 10
- Create their own problems involving multiplication by 10

Why is it easy to multiply by 10?

KLB Mathematical Activities Grade Three pg. 112
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 113
- Multiplication tables
- Game materials

- Observation - Oral questions - Written exercises

Numbers

Multiplication - Appreciating multiplication as repeated addition in daily life
Division - Representing division as repeated subtraction (numbers up to 50 by 4 and 5)

By the end of the lesson, the learner should be able to:

- Apply multiplication in daily life
- Solve word problems involving multiplication
- Value multiplication in real-life situations

- Solve problems like "A cow has 4 legs. How many legs do 9 cows have?"
- Identify situations where multiplication is used
- Create their own word problems based on real-life scenarios
- Share their problems with peers

How is multiplication used in our daily lives?

KLB Mathematical Activities Grade Three pg. 117
- Word problem cards
- Pictures
- Real-life objects
- Real-life scenarios
- Role-play materials
- Word problem cards
KLB Mathematical Activities Grade Three pg. 118
- Counters
- Picture cards
- Number cards

- Observation - Oral questions - Written exercises

Numbers

Division - Representing division as repeated subtraction (numbers up to 50 by 4 and 5)
Division - Dividing 2-digit numbers by single-digit numbers without remainder

By the end of the lesson, the learner should be able to:

- Divide numbers using repeated subtraction
- Model division as repeated subtraction
- Appreciate division as repeated subtraction

- Divide numbers like 20 ÷ 4 using repeated subtraction
- Count how many times the divisor is subtracted
- Use counters to model division
- Practice various division problems using repeated subtraction

How do we find how many groups we can make when dividing?

KLB Mathematical Activities Grade Three pg. 121
- Counters
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 122

- Observation - Practical tasks - Written exercises

Numbers

Division - Dividing 2-digit numbers by single-digit numbers without remainder
Division - Dividing 2-digit numbers by 10 without remainder
Division - Dividing 2-digit numbers by 10 without remainder

By the end of the lesson, the learner should be able to:

- Divide 2-digit numbers by 7, 8, and 9
- Use repeated subtraction for division
- Value division in solving problems

- Divide numbers like 21 ÷ 7, 24 ÷ 8, 18 ÷ 9 using repeated subtraction
- Practice similar division problems
- Solve word problems involving division
- Create their own division problems

How do we divide a 2-digit number by a single-digit number?

KLB Mathematical Activities Grade Three pg. 123
- Counters
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 124
- Multiplication tables
- Worksheets
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Division - Using division as repeated subtraction in real-life situations

By the end of the lesson, the learner should be able to:

- Apply division in daily life
- Solve word problems involving division
- Value division in real-life situations

- Solve problems like "John had 48 mangoes. He shared them equally among 6 children. How many mangoes did each get?"
- Identify situations where division is used
- Create their own word problems based on real-life scenarios
- Share their problems with peers

How is division used in our daily lives?

KLB Mathematical Activities Grade Three pg. 125
- Word problem cards
- Pictures
- Real-life objects
KLB Mathematical Activities Grade Three pg. 128
- Real-life scenarios
- Role-play materials
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Fractions - Identifying ½ as part of a whole
Fractions - Identifying ¼ as part of a whole

By the end of the lesson, the learner should be able to:

- Identify ½ as part of a whole
- Use cut-outs to demonstrate half
- Show interest in fractions

- In groups, take rectangular cut-outs and fold them into two equal parts
- Shade one of the parts and identify it as half of the whole
- Observe various shapes divided into two equal parts
- Identify which shapes are shaded half

How can we show half of a whole?

KLB Mathematical Activities Grade Three pg. 129
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 132
- Shape cut-outs

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying ¼ as part of a whole
Fractions - Identifying ⅛ as part of a whole

By the end of the lesson, the learner should be able to:

- Represent a quarter in different shapes
- Shade a quarter of given shapes
- Value fractions in representing parts of a whole

- Identify shapes divided into four equal parts
- Copy shapes and shade a quarter of each
- Create their own shapes and shade a quarter
- Write ¼ as the fraction representing a quarter

How do we write a quarter as a fraction?

KLB Mathematical Activities Grade Three pg. 133
- Shape cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 134
- Rectangular and circular cut-outs

- Observation - Practical tasks - Written exercises

Numbers

Fractions - Identifying ⅛ as part of a whole
Fractions - Identifying fractions as part of a group (½, ¼, ⅛)
Fractions - Identifying fractions as part of a group (½, ¼, ⅛)

By the end of the lesson, the learner should be able to:

- Represent an eighth in different shapes
- Shade an eighth of given shapes
- Value fractions in representing parts of a whole

- Identify shapes divided into eight equal parts
- Copy shapes and shade an eighth of each
- Create their own shapes and shade an eighth
- Write ⅛ as the fraction representing an eighth

How do we write an eighth as a fraction?

KLB Mathematical Activities Grade Three pg. 136
- Shape cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 137
- Counters
- Real objects
- Pictures of grouped objects
KLB Mathematical Activities Grade Three pg. 140

- Observation - Practical tasks - Written exercises

Numbers
Measurement

Fractions - Identifying fractions as part of a group (½, ¼, ⅛)
Fractions - Using fractions in daily activities
Length - Measuring length in metres

By the end of the lesson, the learner should be able to:

- Identify ⅛ as part of a group
- Divide groups of objects into eight equal parts
- Show interest in fractions as part of a group

- Use counters to get an eighth of a group
- Count 16 objects and divide them into eight equal groups
- Identify that each group is an eighth of the whole
- Complete sentences like "An eighth of 16 objects is _"

How can we find an eighth of a group of objects?

KLB Mathematical Activities Grade Three pg. 141
- Counters
- Real objects
- Pictures of grouped objects
KLB Mathematical Activities Grade Three pg. 147
- Word problem cards
- Real-life objects
- Pictures
- KLB Mathematical Activities Grade Three pg. 149
- Metre sticks
- String
- Rulers
- Chalk board

- Observation - Practical tasks - Oral questions

Measurement

Length - Adding length in metres
Length - Subtracting length in metres
Length - Estimating length up to 10 metres (1)
Length - Estimating length up to 10 metres (2)
Length - Applying length measurement in real-life situations

By the end of the lesson, the learner should be able to:

- Add length in metres
- Solve real-life problems involving addition of length in metres
- Show interest in adding length measurements

- Learners in pairs/groups measure the length of the chalkboard and the teacher's table in metres and add the lengths
- Learners work out questions involving addition of length in real life situations
- Learners practice adding lengths horizontally and vertically

How do you arrange numbers when adding lengths downwards?

- KLB Mathematical Activities Grade Three pg. 153
- Metre sticks
- Manila paper
- Charts
- KLB Mathematical Activities Grade Three pg. 154
- Measuring tape
- School map
- KLB Mathematical Activities Grade Three pg. 157
- String
- Classroom objects
- KLB Mathematical Activities Grade Three pg. 158
- Digital devices

- Observation - Oral questions - Written assignments

Measurement

Mass - Measuring mass in kilograms
Mass - Adding mass in kilograms
Mass - Subtracting mass in kilograms
Mass - Estimating mass up to 5 kilograms (1)

By the end of the lesson, the learner should be able to:

- Measure mass in kilograms
- Make masses of 1kg using sand or soil
- Appreciate measuring mass in kilograms

- Learners collect safe materials to be used to measure mass in their immediate environment
- Learners make masses of 1kg using sand or soil by measuring against the kilogram standard unit
- Learners in groups measure mass of different objects in kilograms using a beam balance and share experiences

How can you make a 1kg mass using a beam balance?

- KLB Mathematical Activities Grade Three pg. 159
- Beam balance
- Sand
- Soil
- 1kg standard weight
- KLB Mathematical Activities Grade Three pg. 161
- Classroom model shop items
- Charts
- KLB Mathematical Activities Grade Three pg. 163
- KLB Mathematical Activities Grade Three pg. 166
- 5kg mass
- Various classroom objects

- Observation - Oral questions - Practical activities

Measurement

Mass - Estimating mass up to 5 kilograms (2)
Mass - Applying mass measurement in real-life situations

By the end of the lesson, the learner should be able to:

- Improve accuracy in estimating mass up to 5 kilograms
- Compare estimated and actual mass
- Appreciate the importance of accurate estimation

- Learners in groups estimate the mass of various objects
- Learners measure the actual mass and record in a table
- Learners compare estimated and actual masses
- Learners discuss strategies for improving estimation accuracy

How can we improve our mass estimation skills?

- KLB Mathematical Activities Grade Three pg. 167
- Beam balance
- Various objects
- Sand
- Soil
- KLB Mathematical Activities Grade Three pg. 168
- Digital devices

- Observation - Oral questions - Written exercises

Measurement

Capacity - Measuring capacity in litres (1)
Capacity - Measuring capacity in litres (2)
Capacity - Adding capacity in litres

By the end of the lesson, the learner should be able to:

- Identify items measured in litres
- Collect containers labelled in litres
- Appreciate measurement of capacity in litres

- Learners in pairs/groups collect safe containers labelled litres from the environment
- Learners identify and write items that were stored in the containers
- Learners discuss that a litre is written in short as l

What things are measured in litres?

- KLB Mathematical Activities Grade Three pg. 169
- One litre containers
- Locally available containers
- Water
- KLB Mathematical Activities Grade Three pg. 170
- Various containers (jug, jerrycan, sufuria, pot, basin, bucket)
- KLB Mathematical Activities Grade Three pg. 173
- Various containers

- Observation - Oral questions - Practical activities

Measurement

Capacity - Subtracting capacity in litres
Capacity - Estimating capacity up to 5 litres (1)

By the end of the lesson, the learner should be able to:

- Subtract capacity in litres
- Solve real-life problems involving subtraction of capacity in litres
- Appreciate subtraction of capacity in daily life

- Learners in groups take a container with 8 litres of water
- Learners fill a three litre container with the water from the first container
- Learners find the amount of water remaining in the container
- Learners solve word problems involving subtraction of capacity

How do you find how much water remains in a container after some is removed?

- KLB Mathematical Activities Grade Three pg. 175
- Various containers
- Water
- One litre containers
- KLB Mathematical Activities Grade Three pg. 176
- 5 litre container
- Various containers (kettle, jug, basin, sufuria, jerrycan, bucket)

- Observation - Oral questions - Written exercises

Measurement

Capacity - Estimating capacity up to 5 litres (2)
Capacity - Applying capacity measurement in real-life situations (1)
Capacity - Applying capacity measurement in real-life situations (2)

By the end of the lesson, the learner should be able to:

- Estimate capacity up to 5 litres
- Compare estimated and actual capacity
- Value accuracy in estimation

- Learners in groups estimate the capacity of various containers up to 5 litres
- Learners measure the actual capacity and record in a table
- Learners compare their estimations with actual measurements
- Learners discuss strategies for improving estimation accuracy

How close can your estimation be to the actual capacity?

- KLB Mathematical Activities Grade Three pg. 177
- Various containers
- One litre container
- Water
- KLB Mathematical Activities Grade Three pg. 178
- Digital devices
- One litre containers
- Charts

- Observation - Oral questions - Written exercises

Measurement

Time - Identifying minute as a unit of measuring time
Time - Reading and telling time using 'past' and 'to' on clock face (1)

By the end of the lesson, the learner should be able to:

- Identify the minute as a unit of measuring time
- Identify the hands of a clock
- Appreciate time as a measure

- Learners in groups take a circular cut out and divide it into twelve equal parts
- Learners label the parts as shown in the analogue clock
- Learners show the arms of a clock face and identify them
- Learners identify that the clock face is divided into 60 equal parts, each part being a minute

How many minutes are there between the numbers on a clock face?

- KLB Mathematical Activities Grade Three pg. 179
- Clock faces
- Circular cut outs
- Digital clocks
- Charts showing clock face
- KLB Mathematical Activities Grade Three pg. 184
- Charts showing clock faces at different times

- Observation - Oral questions - Practical activities

Measurement

Time - Reading and telling time using 'past' and 'to' on clock face (2)
Time - Reading and telling time using digital and analogue clocks (1)
Time - Reading and telling time using digital and analogue clocks (2)

By the end of the lesson, the learner should be able to:

- Read and tell time using quarter to the hour
- Read and tell time using minutes to the hour
- Show interest in reading time

- Learners in groups take a clock face and show a time when the minute hand is pointing at 9 (quarter to the hour)
- Learners read and tell the time using 'quarter to' and 'minutes to' the hour
- Learners practice reading various times on clock faces

How do we read time when the minute hand points to 9?

- KLB Mathematical Activities Grade Three pg. 188
- Clock faces
- Digital clocks
- Charts showing clock faces at different times
- KLB Mathematical Activities Grade Three pg. 192
- Analogue clocks
- Charts showing digital and analogue time

- Observation - Oral questions - Written exercises

Measurement

Time - Writing time using 'past' and 'to' the hour
Time - Estimating time in hours

By the end of the lesson, the learner should be able to:

- Write time using 'past' the hour
- Write time using 'to' the hour
- Appreciate different ways of writing time

- Learners in groups take a clock face and use it to show specific times
- Learners write times shown using 'past' and 'to' the hour
- Learners practice writing time shown on clock faces
- Learners convert between different ways of writing time

How do we write time using 'past' and 'to' the hour?

- KLB Mathematical Activities Grade Three pg. 195
- Clock faces
- Charts showing different times
- Exercise books
- KLB Mathematical Activities Grade Three pg. 196
- Digital clocks

- Observation - Oral questions - Written exercises

Measurement

Time - Adding time (hours and minutes without conversion)
Time - Subtracting time (hours and minutes without conversion)
Time - Appreciating time in real-life situations

By the end of the lesson, the learner should be able to:

- Add time involving hours and minutes without conversion
- Solve real-life problems involving addition of time
- Appreciate addition of time in daily activities

- Learners in groups write addition of time in vertical form
- Learners add the minutes
- Learners add the hours
- Learners solve word problems involving addition of time

How do we add hours and minutes separately?

- KLB Mathematical Activities Grade Three pg. 197
- Clock faces
- Digital clocks
- Charts showing addition of time
- Charts showing subtraction of time
- Charts showing daily schedules

- Observation - Oral questions - Written exercises

Measurement

Money - Identifying Kenyan currency notes up to Sh.1000
Money - Counting money in different denominations up to Sh.1000

By the end of the lesson, the learner should be able to:

- Identify Kenyan currency notes up to sh.1000
- Discuss features of Kenyan currency
- Value honesty when handling money

- Learners in groups look at pictures of Kenyan currency notes and discuss their features
- Learners identify and name Kenyan currency notes up to sh.1000
- Learners identify key features on different currency notes
- Learners use locally available materials to model Kenyan currency denominations

What features can you identify on Kenyan currency notes?

- KLB Mathematical Activities Grade Three pg. 198
- Kenyan currency notes (real or imitations)
- Charts showing currency notes
- Manila paper
- KLB Mathematical Activities Grade Three pg. 200
- Kenyan currency notes and coins (real or imitations)
- Charts showing currency
- Classroom model shop

- Observation - Oral questions - Practical activities

Measurement

Money - Adding money in different denominations up to Sh.1000 (1)
Money - Adding money in different denominations up to Sh.1000 (2)
Money - Subtracting money in different denominations up to Sh.1000 (1)

By the end of the lesson, the learner should be able to:

- Add money in different denominations up to a sh.1000
- Solve problems involving addition of money
- Value accuracy when adding money

- Learners in groups write addition of money in vertical form
- Learners add the cents
- Learners add the shillings
- Learners solve word problems involving addition of money

How do we add money with both shillings and cents?

- KLB Mathematical Activities Grade Three pg. 201
- Kenyan currency (real or imitations)
- Charts showing addition of money
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 202
- Price lists
- KLB Mathematical Activities Grade Three pg. 203
- Charts showing subtraction of money

- Observation - Oral questions - Written exercises

Measurement

Money - Subtracting money in different denominations up to Sh.1000 (2)
Money - Representing the same amount in different denominations

By the end of the lesson, the learner should be able to:

- Subtract money in different denominations with regrouping
- Solve real-life problems involving subtraction of money
- Appreciate subtraction of money in daily activities

- Learners in groups practice subtracting money with regrouping
- Learners solve subtraction problems involving money in real-life situations
- Learners calculate change when buying items from a price list

How do we find change when buying items?

- KLB Mathematical Activities Grade Three pg. 204
- Kenyan currency (real or imitations)
- Price lists
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 208
- Charts showing equivalent denominations

- Observation - Oral questions - Written exercises

Measurement

Money - Converting money into different denominations
Money - Using money to buy up to 3 items involving balance
Money - Appreciating spending and saving money

By the end of the lesson, the learner should be able to:

- Convert money into different denominations
- Solve problems involving conversion of denominations
- Show interest in handling money

- Learners in groups convert specific currency notes into smaller denominations
- Learners determine how many coins or smaller notes can be converted from larger denominations
- Learners solve problems involving conversion of money

How many twenty shilling coins can be converted to one hundred shilling note?

- KLB Mathematical Activities Grade Three pg. 209
- Kenyan currency (real or imitations)
- Charts showing conversion of denominations
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 211
- Price lists
- KLB Mathematical Activities Grade Three pg. 214
- Charts showing saving methods
- Pictures of banks and saving institutions
- Pictures of items to buy

- Observation - Oral questions - Written exercises

Geometry

Position and Direction - Moving along a straight line from a point
Position and Direction - Identifying right and left side from a point

By the end of the lesson, the learner should be able to:

- Move along a straight line from a point
- Identify starting and ending points on a straight line
- Appreciate moving along a straight line in daily activities

- Learners in groups draw a straight line on a level ground outside the classroom
- Learners move along the straight line in turns
- Learners move along the straight line from one end to the other in turns
- Learners move along straight paths in the school compound

What is the importance of moving in a straight line?

- KLB Mathematical Activities Grade Three pg. 215
- Chalk
- String
- Outdoor space
- Charts showing straight lines
- KLB Mathematical Activities Grade Three pg. 216
- Pictures showing objects in different positions
- Classroom objects
- School environment

- Observation - Oral questions - Practical activities

Geometry

Position and Direction - Turning to the right from a point
Position and Direction - Turning to the left from a point
Position and Direction - Using directions in real-life situations

By the end of the lesson, the learner should be able to:

- Turn to the right from a point
- Identify objects seen after turning right
- Value positional awareness

- Learners observe pictures showing turning right
- Learners practice turning to the right from a standing position
- Learners identify objects they can see after turning right
- Learners follow instructions to turn right at specific points

What do you see when you turn to the right?

- KLB Mathematical Activities Grade Three pg. 219
- Pictures showing turning right
- Outdoor space
- Classroom objects
- Pictures showing turning left
- KLB Mathematical Activities Grade Three pg. 221
- Maps of school compound
- Village map shown in textbook
- Charts showing directions

- Observation - Oral questions - Practical activities

Geometry

Shapes - Identifying shapes in a combined shape made of two different shapes
Shapes - Drawing a combined shape made of 2 shapes
Shapes - Modeling a combined shape made of two shapes
Shapes - Appreciating combined shapes in the environment

By the end of the lesson, the learner should be able to:

- Identify the shapes in a combined shape made of two different shapes
- Name individual shapes within combined shapes
- Appreciate shapes in the environment

- Learners in groups trace different shapes
- Learners write the name of each shape
- Learners identify component shapes in combined shapes like a hut (triangle and rectangle)
- Learners identify combined shapes in their environment

What shapes can you identify in your school?

- KLB Mathematical Activities Grade Three pg. 224
- Cut-outs of various shapes
- Pictures of combined shapes
- Real objects showing combined shapes
- KLB Mathematical Activities Grade Three pg. 225
- Paper
- KLB Mathematical Activities Grade Three pg. 226
- Plasticine
- Sticks
- String
- KLB Mathematical Activities Grade Three pg. 227
- School environment
- Pictures showing combined shapes

- Observation - Oral questions - Written exercises