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
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
KLB Mathematical Activities Grade Three pg. 36

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

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

- Read and write numbers 1 to 100 in words
- Match numbers in symbols with their words
- Show enthusiasm for writing numbers in words

- Match number symbols with their corresponding words
- Fill in missing words in number names
- Write given numbers in words
- Read numbers written in words

How do we match numbers in symbols with their words?

KLB Mathematical Activities Grade Three pg. 36
- Number cards
- Word cards
- Matching games
KLB Mathematical Activities Grade Three pg. 37
- Number charts
KLB Mathematical Activities Grade Three pg. 38

- Observation - Oral reading - Written exercises

Numbers

Whole Numbers - Identifying missing numbers in patterns up to 1000
Whole Numbers - Creating number 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 501 to 1000
- Find missing numbers in patterns
- Appreciate number patterns with large numbers

- Find missing numbers in sequences like 640, 650, 660, _, _
- Identify patterns counting backward: 781, 780, 779, _, _
- Identify patterns counting by hundreds: 510, 610, 710, _, _
- Create their own number patterns within this range

How do we find missing numbers in patterns from 501 to 1000?

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

- 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

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
KLB Mathematical Activities Grade Three pg. 46
- Abacus
- Place value charts
- Base ten blocks

- 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

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

- Add a 3-digit number to a 2-digit number horizontally
- Apply addition in solving problems
- Appreciate addition in daily life

- Practice horizontal addition: 147 + 21 = 168
- Draw place value charts to demonstrate addition
- Solve word problems like "Kantai had 123 goats. He bought 74 more. How many goats did he have altogether?"
- Share solution strategies with peers

How do we solve addition problems horizontally?

KLB Mathematical Activities Grade Three pg. 48
- Place value charts
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 43
- Abacus
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 52

- 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 horizontally with regrouping from ones to tens
- Apply addition in solving real-life problems
- Appreciate addition in daily activities

- Arrange numbers vertically: 806 + 74
- Add ones (6 + 4 = 10) and regroup as 1 ten and 0 ones
- Add tens including the regrouped ten
- Solve word problems involving such addition

When do we need to regroup in addition?

KLB Mathematical Activities Grade Three pg. 54
- Place value charts
- Abacus
- Word problem cards
KLB Mathematical Activities Grade Three pg. 55
- 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
KLB Mathematical Activities Grade Three pg. 63
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

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

- 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 a 2-digit number from a 3-digit number without regrouping
- Use place value charts for subtraction
- Show enthusiasm in subtraction

- Demonstrate subtraction on an abacus: 678 - 43 = 635
- Subtract ones first, then tens
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract a 2-digit number from a 3-digit number?

KLB Mathematical Activities Grade Three pg. 78
- Abacus
- Place value charts
- Base ten blocks
KLB Mathematical Activities Grade Three pg. 79
- Number cards
- Word problem cards
KLB Mathematical Activities Grade Three pg. 83
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
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 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
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
Multiplication - Modeling multiplication as repeated addition using numbers 1, 2, 3, 4 and 5 by 4 and 5

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
KLB Mathematical Activities Grade Three pg. 104
- Counters
- Pictures showing groups
- Base ten blocks

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

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

- Represent multiplication using counters
- Model multiplication of numbers 1-5 by 4
- Appreciate multiplication as repeated addition

- Use counters to show multiplication like 3 × 4
- Form 3 groups each having 4 counters
- Count the total number of counters
- Write the multiplication as repeated addition: 4 + 4 + 4 = 12
- Practice similar exercises

How do we use counters to show multiplication?

KLB Mathematical Activities Grade Three pg. 106
- Counters
- Base ten blocks
- Number cards
KLB Mathematical Activities Grade Three pg. 107
- Number cards
- Multiplication tables
KLB Mathematical Activities Grade Three pg. 108
- Multiplication tables
- Counters

- Observation - Practical tasks - Oral questions

Numbers

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

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

- Multiply single-digit numbers fluently
- Apply multiplication in solving problems
- Show interest in using multiplication

- Practice multiplication facts
- Solve word problems involving multiplication
- Work in pairs to quiz each other on multiplication facts
- Play multiplication games to reinforce learning

How can we apply multiplication to solve problems?

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
- Number cards
- Multiplication tables
KLB Mathematical Activities Grade Three pg. 112
- Word problem cards
KLB Mathematical Activities Grade Three pg. 113
- Multiplication tables

- 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
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
KLB Mathematical Activities Grade Three pg. 123

- Observation - Practical tasks - 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 2-digit numbers by 10
- Recognize patterns when dividing by 10
- Show interest in division by 10

- Examine multiplication table to see division by 10
- Practice dividing numbers like 20 ÷ 10, 30 ÷ 10, 40 ÷ 10, etc.
- Identify the pattern when dividing by 10 (remove a zero)
- Solve division problems involving 10

What happens when we divide a 2-digit number by 10?

KLB Mathematical Activities Grade Three pg. 124
- Multiplication tables
- Number cards
- Worksheets
- 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)

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

- Observation - Practical tasks - Oral questions

Numbers
Measurement
Measurement
Measurement
Measurement
Measurement
Measurement

Fractions - Using fractions in daily activities
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:

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

- Solve problems like "There are 6 oranges in a carton. Kogo picked half of the oranges. How many oranges did Kogo pick?"
- Identify situations where fractions are used
- Create their own word problems involving fractions
- Share their problems with peers

How are fractions used in our daily lives?

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
- 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 exercises

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)
Capacity - Measuring capacity in litres (2)

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

- Observation - Oral questions - Written exercises

Measurement

Capacity - Adding capacity in litres
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:

- Add capacity in litres
- Solve real-life problems involving addition of capacity in litres
- Value accuracy in addition of capacity

- Learners in groups take a 1 litre bottle and use it to fill a jerrycan with water
- Learners use 1 litre bottles to fill a basin with water
- Learners find the total number of litres of water in the two containers
- Learners practice addition of capacity in litres through exercises

How do we find the total capacity of two or more containers?

- KLB Mathematical Activities Grade Three pg. 173
- One litre containers
- Various containers
- Water
- KLB Mathematical Activities Grade Three pg. 175
- 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)
Time - Reading and telling time using 'past' and 'to' on clock face (2)

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
- KLB Mathematical Activities Grade Three pg. 188

- Observation - Oral questions - Practical activities

Measurement

Time - Reading and telling time using digital and analogue clocks (1)
Time - Reading and telling time using digital and analogue clocks (2)
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:

- Read time using the digital clock
- Convert time from analogue to digital clock
- Appreciate different ways of telling time

- Learners in groups discuss how the digital clock operates
- Learners read and tell time on a digital clock
- Learners compare time shown on digital and analogue clocks
- Learners convert time from analogue to digital format

How do we read time using a digital clock?

- KLB Mathematical Activities Grade Three pg. 192
- Digital clocks
- Analogue clocks
- Charts showing digital and analogue time
- KLB Mathematical Activities Grade Three pg. 195
- Clock faces
- Charts showing different times
- Exercise books
- KLB Mathematical Activities Grade Three pg. 196

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

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
- KLB Mathematical Activities Grade Three pg. 201
- Kenyan currency (real or imitations)
- Charts showing addition of money

- Observation - Oral questions - Practical activities

Measurement

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

- Add money in different denominations with regrouping
- Solve real-life problems involving addition of money
- Show interest in adding money

- Learners in groups practice adding money with regrouping from cents to shillings
- Learners solve addition problems involving money in real-life situations
- Learners use a price list to calculate the total cost of multiple items

How do we regroup when adding money with cents?

- KLB Mathematical Activities Grade Three pg. 202
- Kenyan currency (real or imitations)
- Price lists
- Classroom model shop
- KLB Mathematical Activities Grade Three pg. 203
- Charts showing subtraction of money
- KLB Mathematical Activities Grade Three pg. 204
- 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

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:

- Model a combined shape made of two shape as an artistic expression

- Learners use plasticine to model a circle and an oval
- Learners form a combined shape from the two shapes
- Learners use sticks to model combined shapes
- Learners use strings or plasticine to model various combined shapes

How can we model combined shapes using different materials?

- KLB Mathematical Activities Grade Three pg. 226
- Plasticine
- Sticks
- String
- Paper
- KLB Mathematical Activities Grade Three pg. 227
- School environment
- Pictures showing combined shapes
- Real objects showing combined shapes

- Observation - Oral questions - Practical activities