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

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

- Observation - Oral questions - Written exercises

Numbers

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 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 567 + 28
- Add ones (7 + 8 = 15) and regroup as 1 ten and 5 ones
- Add tens including the regrouped ten
- Solve word problems involving such addition

How do we regroup from ones to tens when adding?

KLB Mathematical Activities Grade Three pg. 52
- Place value charts
- Abacus
- Base ten blocks
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

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

- 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 without regrouping
- Use place value charts for addition
- Show interest in adding larger numbers

- Practice vertical addition: 403 + 245 = 648
- Add ones, tens, and hundreds separately
- Use place value charts to demonstrate addition
- Solve word problems involving addition of two 3-digit numbers

How do we add two 3-digit numbers?

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

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

- 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

- 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

- 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 horizontally with regrouping from tens to hundreds
- Apply addition in solving problems
- Appreciate addition in daily life

- Practice horizontal addition: 581 + 294 = 875
- Add ones: 1 + 4 = 5
- Add tens with regrouping: 8 + 9 = 17
- Add hundreds including the regrouped hundred
- Solve word problems involving such addition

How can we add horizontally when regrouping from tens to hundreds is needed?

KLB Mathematical Activities Grade Three pg. 64
- Place value charts
- Abacus
- Word problem cards

- 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

- 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:

- Find missing numbers in addition patterns
- Apply pattern rules to find missing numbers
- Appreciate patterns in mathematics

- Find missing numbers in patterns like 50, 70, 90, _, _, _
- Identify the rule (add 20) and complete the pattern: 110, 130, 150
- Find missing numbers in various patterns with different rules
- Share strategies for identifying pattern rules

How do we find missing numbers in addition patterns?

KLB Mathematical Activities Grade Three pg. 68
- 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:

- 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

- 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 digital devices for addition
- Apply addition skills in various contexts
- Appreciate technology in learning mathematics

- Use digital devices (calculators, tablets, computers) to practice addition
- Play digital games involving addition of numbers
- Compare manual calculation with digital calculation
- Solve addition problems using both methods

How can we use digital devices to practice addition?

KLB Mathematical Activities Grade Three pg. 69
- Calculators
- Tablets/computers (if available)
- Digital mathematical games

- Observation - Practical tasks - Digital assessments

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

- Observation - Oral questions - Written exercises

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 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

- 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

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

- 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 a 3-digit number from a 3-digit number without regrouping
- Use an abacus for subtraction
- Show interest in subtraction

- Work in groups to subtract 375 - 124 using an abacus
- Take away 4 rings from ones spike, 2 rings from tens spike, and 1 ring from hundreds spike
- Practice similar subtraction problems
- Solve word problems involving such subtraction

How do we subtract one 3-digit number from another?

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

- 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 3-digit numbers horizontally with regrouping
- Apply subtraction in solving problems
- Value different subtraction methods

- Practice horizontal subtraction with regrouping
- Compare vertical and horizontal subtraction
- Solve word problems involving subtraction with regrouping
- Share solution strategies with peers

How can we subtract 3-digit numbers horizontally with regrouping?

KLB Mathematical Activities Grade Three pg. 96
- Place value charts
- 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

- 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 subtrahends
- Apply inverse operations
- Show enthusiasm for mathematical puzzles

- Solve problems like: 320 - □ = 315
- Use subtraction to find the missing subtrahend
- Create their own puzzles with missing subtrahends
- Share solution strategies with peers

How do we find a missing subtrahend 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

- 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:

- 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

- 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

- 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:

- Apply subtraction in diverse contexts
- Solve practical subtraction problems
- Value subtraction in everyday life

- Identify real-life situations where subtraction is used
- Role-play scenarios involving subtraction (e.g., shopping)
- Create and solve subtraction problems from personal experiences
- Discuss how subtraction helps in daily life

How is subtraction useful in our daily activities?

KLB Mathematical Activities Grade Three pg. 103
- Real objects
- Role-play materials
- Pictures

- Observation - Practical tasks - Oral questions

Numbers

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:

- 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

- Observation - Practical tasks - Oral questions

Numbers

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

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

- Multiply a single digit number by a single digit number
- Use repeated addition for multiplication
- Show enthusiasm for multiplication

- Use repeated addition to find products: 6 × 6 = 6 + 6 + 6 + 6 + 6 + 6 = 36
- Fill in gaps: 5 + 5 + 5 = _ × 5 = 15
- Create multiplication expressions for given repeated addition
- Solve simple multiplication problems

How do we find the product of two single-digit numbers?

KLB Mathematical Activities Grade Three pg. 107
- Counters
- Number cards
- Multiplication tables

- Observation - Oral questions - Written exercises

Numbers

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

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

- 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 single-digit numbers by 10
- Recognize patterns when multiplying by 10
- Show enthusiasm for multiplication

- Practice multiplying numbers by 10: 5 × 10 = 50, 6 × 10 = 60, etc.
- Identify the pattern when multiplying by 10 (add a zero)
- Complete exercises like 10 × 10 × 10 × 10 = 4 × _
- Solve multiplication problems involving 10

What happens when we multiply a number by 10?

KLB Mathematical Activities Grade Three pg. 111
- Place value charts
- Number cards
- 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

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

- 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:

- 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

- 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

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

- Observation - Oral questions - Written exercises

Numbers

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 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

- 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

- Observation - Oral questions - Written exercises

Numbers

Division - Using division as repeated subtraction in real-life situations
Fractions - Identifying ½ as part of a whole

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

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

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

Why is division faster than repeated subtraction?

KLB Mathematical Activities Grade Three pg. 128
- Real-life scenarios
- Role-play materials
- Word problem cards
KLB Mathematical Activities Grade Three pg. 129
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils

- Observation - Oral questions - Written exercises

Numbers

Fractions - Identifying ½ as part of a whole

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

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

- Copy shapes and shade half of each
- Identify shapes that show half
- Create their own shapes and shade half
- Write ½ as the fraction representing half

How do we write half as a fraction?

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

- Observation - Practical tasks - Written exercises

Numbers

Fractions - Identifying ¼ as part of a whole

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

- Identify ¼ as part of a whole
- Use cut-outs to demonstrate a quarter
- Show interest in fractions

- In groups, fold rectangular cut-outs into four equal parts
- Shade one part and identify it as a quarter of the whole
- Observe various shapes divided into four equal parts
- Identify which shapes are shaded a quarter

How can we show a quarter of a whole?

KLB Mathematical Activities Grade Three pg. 132
- Rectangular and circular cut-outs
- Manila papers
- Scissors
- Colored pencils
KLB Mathematical Activities Grade Three pg. 133
- Shape cut-outs

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying ⅛ as part of a whole

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

- Identify ⅛ as part of a whole
- Use cut-outs to demonstrate an eighth
- Show interest in fractions

- In groups, fold rectangular cut-outs into eight equal parts
- Shade one part and identify it as an eighth of the whole
- Observe various shapes divided into eight equal parts
- Identify which shapes are shaded an eighth

How can we show an eighth of a whole?

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

- Observation - Practical tasks - Oral questions

Numbers

Fractions - Identifying ⅛ as part of a whole
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

- 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 ¼ as part of a group
- Divide groups of objects into four equal parts
- Appreciate fractions as part of a group

- Use counters to get a quarter of a group
- Count 12 objects and divide them into four equal groups
- Identify that each group is a quarter of the whole
- Complete sentences like "A quarter of 12 objects is _"

How can we find a quarter of a group of objects?

KLB Mathematical Activities Grade Three pg. 140
- Counters
- Real objects
- Pictures of grouped objects

- Observation - Practical tasks - Oral questions

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)

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

- Observation - Oral questions - Written assignments

Measurement

Length - Estimating length up to 10 metres (2)
Length - Applying length measurement in real-life situations
Mass - Measuring mass in kilograms

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

- Improve accuracy in estimating length up to 10 metres
- Record estimated and actual lengths in a table
- Value accuracy in estimation

- Learners in pairs/groups estimate distances of different items in and outside classroom
- Learners measure the actual distances and record in a table
- Learners compare their estimations with actual measurements
- Learners discuss strategies for improving estimation accuracy

How can we improve our length estimation skills?

- KLB Mathematical Activities Grade Three pg. 157
- Metre sticks
- String
- Measuring tape
- KLB Mathematical Activities Grade Three pg. 158
- Digital devices
- Charts
- KLB Mathematical Activities Grade Three pg. 159
- Beam balance
- Sand
- Soil
- 1kg standard weight

- Observation - Oral questions - Written exercises

Measurement

Mass - Adding mass in kilograms
Mass - Subtracting mass in kilograms

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

- Add mass in kilograms
- Solve real-life problems involving addition of mass in kilograms
- Value accuracy in addition of mass measurements

- Learners in groups use a beam balance to measure 2kg of sand
- Learners measure another 3 kgs of sand and find the total mass
- Learners in pairs/groups role play addition of mass in kilograms using items in the classroom model shop
- Learners solve word problems involving addition of mass

How do we add mass measurements correctly?

- KLB Mathematical Activities Grade Three pg. 161
- Beam balance
- Sand
- Classroom model shop items
- Charts
- KLB Mathematical Activities Grade Three pg. 163

- Observation - Oral questions - Written exercises

Measurement

Mass - Estimating mass up to 5 kilograms (1)
Mass - Estimating mass up to 5 kilograms (2)

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

- Estimate mass up to 5 kilograms
- Compare estimated and actual mass
- Show interest in estimating mass

- Learners in groups compare the masses of items with a 5kg mass
- Learners identify masses which are heavier than or lighter than 5kg
- Learners estimate the mass of various items up to 5kg
- Learners measure the actual mass of items and compare with their estimations

How can you tell if an object is heavier or lighter than 5kg?

- KLB Mathematical Activities Grade Three pg. 166
- Beam balance
- 5kg mass
- Various classroom objects
- KLB Mathematical Activities Grade Three pg. 167
- Various objects
- Sand
- Soil

- Observation - Oral questions - Practical activities

Measurement

Mass - Applying mass measurement in real-life situations

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

- Apply mass measurement in real-life situations
- Appreciate the use of mass measurements in daily activities
- Value accuracy in mass measurement

- Learners play digital games involving mass
- Learners discuss real-life situations where mass measurement is important
- Learners solve practical problems involving mass measurements

How is mass measurement important in our daily lives?

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

- Observation - Oral questions - Written assignments