Numbers

Number Concept - Arranging objects according to size
Number Concept - Identifying position of objects from 1st to 20th

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
KLB Mathematical Activities Grade Three pg. 4
- Pictures showing positions
- Playing field for races

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

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

- Identify positions from 6th to 10th
- Write positions in number symbols (6th to 10th)
- Value the importance of order

- Observe tables showing athletes in different lanes (1-8)
- Write the lane of each athlete in number symbols
- Match positions written in words with their corresponding symbols
- Practice writing positions sixth to tenth in number symbols

How do we write positions from sixth to tenth?

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

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Counting forward up to 1000 from any point
Whole Numbers - Counting backward in multiples of 100 from 1000
Whole Numbers - Counting backward in multiples of 100 from 1000

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

- Count forward from 100 to 500
- Count in tens and hundreds
- Enjoy counting larger numbers

- Count forward in sequences: 100, 101, 102... to 110
- Count in tens: 200, 210, 220... to 300
- Count in hundreds: 100, 200, 300, 400, 500
- Complete number sequences with missing numbers

How do we count forward from 100 to 500?

KLB Mathematical Activities Grade Three pg. 20
- Number charts
- Number cards
- Counters
KLB Mathematical Activities Grade Three pg. 24
- Rope for skipping

- 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 tens
- Represent numbers on an abacus
- Show interest in place value

- Identify how many ones and tens are shown on an abacus
- Represent numbers on an abacus and identify their place values
- Complete sentences like "25 is _ tens _ ones"
- Write numbers represented by tens and ones (e.g., 3 tens 9 ones = 39)

What is the place value of each digit in a two-digit number?

KLB Mathematical Activities Grade Three pg. 24
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 26
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
Whole Numbers - Identifying missing numbers in patterns up to 1000

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
KLB Mathematical Activities Grade Three pg. 37
- Number charts

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Identifying missing numbers in patterns up to 1000
Whole Numbers - Creating number patterns up to 1000

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

- Identify number patterns from 101 to 500
- Find missing numbers in patterns
- Show enthusiasm in creating patterns

- Find missing numbers in sequences like 101, 102, 103, _, _
- Identify patterns counting backward: 225, 224, 223, _, _
- Identify patterns counting by tens: 320, 330, 340, _, _
- Create their own number patterns within this range

How do we complete number patterns between 101 and 500?

KLB Mathematical Activities Grade Three pg. 38
- Number cards
- Number charts
KLB Mathematical Activities Grade Three pg. 39
KLB Mathematical Activities Grade Three pg. 40
- Number charts
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Creating number patterns up to 1000
Whole Numbers - Playing games involving number patterns
Whole Numbers - Playing games involving number patterns

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

- Create more complex number patterns
- Apply different rules to create patterns
- Value patterns in mathematics

- Create patterns with multiple operations (e.g., add 5, then subtract 2)
- Create patterns with skip counting (e.g., count by 3s, 5s, or 10s)
- Exchange patterns with peers to identify rules
- Discuss patterns found in the environment

How can we create more complex number patterns?

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

- Observation - Oral questions - Written exercises

Numbers

Whole Numbers - Playing games involving number patterns
Addition - Adding a 3-digit number to a 2-digit number without regrouping
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:

- Play games involving counting forward and backward
- Create counting games
- Show interest in mathematical games

- Play counting games (e.g., count by 2s, 5s, or 10s)
- Play "What comes next?" with number sequences
- Create their own counting games
- Play games involving counting forward and backward

How can we use games to practice counting?

KLB Mathematical Activities Grade Three pg. 40
- Number cards
- Counting games
- Game materials
KLB Mathematical Activities Grade Three pg. 46
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 48
- Word problem cards

- Observation - Practical tasks - Peer assessment

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
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
KLB Mathematical Activities Grade Three pg. 60
- Number cards
- Word problem cards

- Observation - Oral questions - Written exercises

Numbers

Addition - Adding two 3-digit numbers without regrouping
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 zeros
- Apply addition strategies appropriately
- Show interest in addition with zeros

- Practice addition with zeros: 300 + 200 = 500
- Add numbers like 207 + 302 = 509
- Use place value charts to show the role of zeros in addition
- Create their own addition problems with zeros

How do zeros affect addition?

KLB Mathematical Activities Grade Three pg. 60
- Place value charts
- Number cards
- Base ten blocks
- Worksheets
KLB Mathematical Activities Grade Three pg. 61
- Abacus

- 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 horizontally with regrouping
- Apply addition in solving problems
- Value addition in daily activities

- Practice horizontal addition: 538 + 297 = 835
- Add ones with regrouping
- Add tens and hundreds
- Solve word problems involving addition with regrouping
- Share solution strategies with peers

How can we solve horizontal addition problems with regrouping?

KLB Mathematical Activities Grade Three pg. 62
- Place value charts
- Abacus
- Word problem cards
KLB Mathematical Activities Grade Three pg. 63
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 64

- 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 patterns involving addition
- Find missing numbers in addition patterns
- Show interest in number patterns

- Find missing numbers in patterns like 20 + □ = 24, 24 + □ = 28
- Identify the rule in addition patterns (e.g., add 4, add 10)
- Complete patterns like 50 + □ = 60, 60 + □ = 70
- Create their own addition patterns

How do we identify the rule in addition patterns?

KLB Mathematical Activities Grade Three pg. 66
- Number cards
- Number charts
- Worksheets
KLB Mathematical Activities Grade Three pg. 67
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
Subtraction - Subtracting a 2-digit number from a 3-digit number without regrouping
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:

- 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
KLB Mathematical Activities Grade Three pg. 76
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 78

- Observation - Practical tasks - Oral questions

Numbers

Subtraction - Subtracting a 2-digit number from a 3-digit number without regrouping
Subtraction - Subtracting a 2-digit number from a 3-digit number with single regrouping
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 horizontally without regrouping
- Apply subtraction in solving problems
- Value different methods of subtraction

- Practice horizontal subtraction: 584 - 21 = 563
- Relate vertical and horizontal subtraction
- Solve word problems involving subtraction
- Share solution strategies with peers

What are the different ways to subtract numbers?

KLB Mathematical Activities Grade Three pg. 79
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 83
- Abacus
- 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
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:

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

- 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:

- Solve subtraction with missing minuends
- Apply inverse operations
- Value mathematical puzzles

- Solve problems like: □ - 5 = 315
- Use addition to find the missing minuend
- Create their own puzzles with missing minuends
- Share solution strategies with peers

How do we find a missing minuend in subtraction?

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

- Observation - Oral questions - Written exercises

Numbers

Subtraction - Working out missing numbers in patterns involving subtraction up to 1000

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

- Find missing numbers in subtraction patterns
- Identify the rule in subtraction patterns
- Appreciate patterns in mathematics

- Complete patterns like: 90, 85, 80, _, _, _
- Identify the rule (subtract 5) and fill in: 75, 70, 65
- Work with various patterns with different rules
- Create their own subtraction patterns

How do we identify and complete subtraction patterns?

KLB Mathematical Activities Grade Three pg. 98
- Number charts
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 99
- Environmental patterns

- 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 word problems involving subtraction
- Apply subtraction in real-life situations
- Value subtraction in daily life

- Solve problems like: "There were 865 seedlings in a tree nursery. The owner sold 425 seedlings. How many seedlings remained?"
- Identify relevant information in word problems
- Create their own word problems for peers to solve

How do we use subtraction to solve real-life problems?

KLB Mathematical Activities Grade Three pg. 102
- Word problem cards
- Real-life scenarios
- Pictures
KLB Mathematical Activities Grade Three pg. 103
- 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
Multiplication - Appreciating multiplication as repeated addition in daily life

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
KLB Mathematical Activities Grade Three pg. 117
- Word problem cards
- Pictures
- Real-life objects

- 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)
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:

- Recognize multiplication in various contexts
- Apply multiplication skills appropriately
- Show enthusiasm for using multiplication

- Identify real-life situations involving multiplication
- Create stories or role-plays showing multiplication
- Solve varied word problems involving multiplication
- Discuss the advantages of using multiplication instead of repeated addition

Why is multiplication faster than repeated addition?

KLB Mathematical Activities Grade Three pg. 117
- Real-life scenarios
- Role-play materials
- Word problem cards
KLB Mathematical Activities Grade Three pg. 118
- Counters
- Picture cards
- Number cards
KLB Mathematical Activities Grade Three pg. 121
- Number cards
- Worksheets

- Observation - Oral questions - Written exercises

Numbers

Division - Dividing 2-digit numbers by single-digit numbers 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 2, 3, and 6
- Use repeated subtraction for division
- Show enthusiasm for division

- Divide numbers like 16 ÷ 2, 18 ÷ 3, 24 ÷ 6 using repeated subtraction
- Count how many times the divisor can be subtracted
- Practice similar division problems
- Solve word problems involving division

How do we divide using repeated subtraction?

KLB Mathematical Activities Grade Three pg. 122
- Counters
- Number cards
- Worksheets
KLB Mathematical Activities Grade Three pg. 123
KLB Mathematical Activities Grade Three pg. 124
- Multiplication tables

- Observation - Oral questions - Written exercises

Numbers

Division - Dividing 2-digit numbers by 10 without remainder
Division - Using division as repeated subtraction in real-life situations
Division - Using division as repeated subtraction in real-life situations

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

- Divide multiples of 10 by 10
- Apply division by 10 in solving problems
- Appreciate division by 10

- Practice dividing multiples of 10 by 10
- Use the pattern of removing a zero when dividing by 10
- Solve word problems involving division by 10
- Create their own problems involving division by 10

Why is it easy to divide by 10?

KLB Mathematical Activities Grade Three pg. 124
- Number cards
- Worksheets
- Word problem cards
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

- 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
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
KLB Mathematical Activities Grade Three pg. 136

- Observation - Practical tasks - Written exercises

Numbers

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

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

- Identify ½ as part of a group
- Divide groups of objects into two equal parts
- Show interest in fractions as part of a group

- Observe pictures of oranges put into 2 equal groups
- Identify that each group is half of the whole group
- Find half of various groups of objects
- Complete sentences like "A half of 4 apples is _"

How can we find half of a group of objects?

KLB Mathematical Activities Grade Three pg. 137
- Counters
- Real objects
- Pictures of grouped objects
KLB Mathematical Activities Grade Three pg. 140
KLB Mathematical Activities Grade Three pg. 141
KLB Mathematical Activities Grade Three pg. 147
- Word problem cards
- Real-life objects
- Pictures

- Observation - Practical tasks - Oral questions

Measurement

Length - Measuring length in metres
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:

- Measure length in metres
- Identify items that can be measured in metres
- Appreciate measuring length in metres in real life situations

- Learners in pairs/groups use metre sticks to measure various distances and record their results
- Learners prepare 5 metres long strings with knots at intervals of one metre to measure long distances
- Learners in groups measure the lengths of the 4 walls in their classroom and record their findings
- Learners identify items that can be measured in metres

How can the length of a chalkboard be measured using a metre stick?

- KLB Mathematical Activities Grade Three pg. 149
- Metre sticks
- String
- Rulers
- Chalk board
- KLB Mathematical Activities Grade Three pg. 153
- Manila paper
- Charts
- KLB Mathematical Activities Grade Three pg. 154
- Measuring tape
- School map
- KLB Mathematical Activities Grade Three pg. 157
- 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
Capacity - Measuring capacity in litres (1)

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
- KLB Mathematical Activities Grade Three pg. 169
- One litre containers
- Locally available containers
- Water

- Observation - Oral questions - Written exercises

Measurement

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

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

- Measure capacity in litres
- Determine the capacity of different containers in litres
- Show interest in measuring capacity

- Learners in groups of three use a one litre container to measure the capacity of various containers (jug, jerrycan, sufuria, pot, basin, bucket)
- Learners record their results in a table
- Learners determine how many one-litre bottles fill each container

How can the capacity of a container be measured?

- KLB Mathematical Activities Grade Three pg. 170
- One litre containers
- Various containers (jug, jerrycan, sufuria, pot, basin, bucket)
- Water
- KLB Mathematical Activities Grade Three pg. 173
- Various containers
- KLB Mathematical Activities Grade Three pg. 175

- Observation - Oral questions - Written exercises

Measurement

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

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

- Compare capacity using a 5 litre container
- Identify containers that hold more than or less than 5 litres
- Show interest in comparing capacity

- Learners in groups work to show which containers hold more than or less than 5 litres
- Learners compare various containers like kettle, jug, basin, sufuria, jerrycan, and bucket with a 5 litre container
- Learners identify containers that hold more than or less than 5 litres

Which household containers hold more than 5 litres?

- KLB Mathematical Activities Grade Three pg. 176
- 5 litre container
- Various containers (kettle, jug, basin, sufuria, jerrycan, bucket)
- Water
- KLB Mathematical Activities Grade Three pg. 177
- Various containers
- One litre container
- KLB Mathematical Activities Grade Three pg. 178
- Digital devices

- Observation - Oral questions - Practical activities

Measurement

Capacity - Applying capacity measurement in real-life situations (2)
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:

- Apply capacity measurement in home situations
- Solve real-life capacity problems
- Value accuracy in measuring capacity

- Learners in groups discuss everyday situations where capacity measurement is used at home
- Learners role play buying and selling liquids measured in litres
- Learners solve word problems involving capacity in real-life contexts

How do we use capacity measurement at home and in shops?

- KLB Mathematical Activities Grade Three pg. 178
- One litre containers
- Various containers
- Charts
- Water
- 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 - Role play assessment

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
Time - Adding time (hours and minutes without conversion)
Time - Subtracting time (hours and minutes without conversion)

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
- KLB Mathematical Activities Grade Three pg. 197
- Charts showing addition of time
- Charts showing subtraction of time

- Observation - Oral questions - Written exercises

Measurement

Time - Appreciating time in real-life situations
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:

- Apply time concepts in real-life situations
- Appreciate the importance of time management
- Value punctuality

- Learners discuss the importance of keeping time in real life situations
- Learners create daily schedules with specific times for different activities
- Learners role play scenarios showing the importance of punctuality
- Learners solve real-life problems involving time

Why is keeping time important in our daily lives?

- KLB Mathematical Activities Grade Three pg. 197
- Clock faces
- Digital clocks
- Charts showing daily schedules
- 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 - Role play assessment

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
Money - Converting money into 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
- KLB Mathematical Activities Grade Three pg. 209
- Charts showing conversion of denominations

- Observation - Oral questions - Written exercises

Measurement
Geometry

Money - Using money to buy up to 3 items involving balance
Money - Appreciating spending and saving money
Position and Direction - Moving along a straight line from a point

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

- Use money to buy up to 3 items involving balance
- Calculate total cost and change when buying items
- Value honesty when handling money

- Learners use a price list to select items to buy
- Learners calculate the total cost of up to 3 items
- Learners determine the balance (change) to be received after payment
- Learners role play buying and selling scenarios in a model shop

How do you calculate the balance after buying multiple items?

- KLB Mathematical Activities Grade Three pg. 211
- Kenyan currency (real or imitations)
- Price lists
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 214
- Charts showing saving methods
- Pictures of banks and saving institutions
- Pictures of items to buy
- KLB Mathematical Activities Grade Three pg. 215
- Chalk
- String
- Outdoor space
- Charts showing straight lines

- Observation - Oral questions - Role play assessment

Geometry

Position and Direction - Identifying right and left side from a point
Position and Direction - Turning to the right from a point
Position and Direction - Turning to the left from a point

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

- Identify the right side from a point
- Identify the left side from a point
- Appreciate the use of right and left directions in daily life

- Learners in turns identify objects that are on their left side
- Learners in turns identify objects that are on their right side
- Learners describe the position of objects using 'to the right of' and 'to the left of'
- Learners play games involving identification of right and left sides

How can you identify if an object is to your right or left?

- KLB Mathematical Activities Grade Three pg. 216
- Pictures showing objects in different positions
- Classroom objects
- School environment
- KLB Mathematical Activities Grade Three pg. 219
- Pictures showing turning right
- Outdoor space
- Pictures showing turning left

- Observation - Oral questions - Practical activities

Geometry

Position and Direction - Using directions in real-life situations
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:

- Apply knowledge of directions in real-life situations
- Follow directions to move from one point to another
- Value the importance of directions in daily life

- Learners use a map to follow directions from one location to another
- Learners describe how to move from one place to another using terms like 'move straight', 'turn right', and 'turn left'
- Learners create and follow simple direction maps within the school compound

Why are directions important in real life?

- KLB Mathematical Activities Grade Three pg. 221
- Maps of school compound
- Village map shown in textbook
- Charts showing directions
- 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 - Practical activities