Numbers

Addition - Modeling addition by putting together
Addition - Using "+" and "=" signs

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

-Model addition as putting objects together
-Count objects to find the total
-Show interest in addition activities
-

-In pairs/groups, safely put two groups of objects together
-Count the total number of objects after combining
-Discuss real-life situations where addition is used
-

How can we add objects together?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 60
-Counters
-Objects for counting
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 61
Number cards
Addition symbol cards

-Observation -Oral questions -Written assignments -

Numbers

Addition - Adding single digit numbers (1)

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

-Add 2 single digit numbers with sum up to 5
-Write addition statements correctly
-Show interest in addition exercises
-

-Add 2 single digit numbers by counting on
-Use counters to add numbers
-Practice writing addition statements
-

How can we add numbers with sum up to 5?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 62
-Counters
-Number cards
-Addition charts
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Adding single digit numbers (2)
Addition - Adding 3 single digit numbers (1)

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

-Add 2 single digit numbers with sum up to 10
-Write addition statements correctly
-Develop interest in addition activities
-

-Add 2 single digit numbers by counting on
-Use counters to add numbers
-Practice writing addition statements
-

How can we add numbers with sum up to 10?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 63
-Counters
-Number cards
-Addition charts
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 64

-Observation -Oral questions -Written tests -

Numbers

Addition - Adding 3 single digit numbers (2)

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

-Add 3 single digit numbers with sum up to 15
-Write addition statements with 3 addends
-Develop interest in addition of multiple numbers
-

-Add 3 single digit numbers using concrete objects
-Add 3 single digit numbers by counting on
-Practice writing addition statements with 3 addends
-

How can we add three numbers with sum up to 15?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 65
-Counters
-Number cards
-

-Observation -Oral questions -Written tests -

Numbers

Addition - Adding 3 single digit numbers (3)
Addition - Adding a 2-digit number to a 1-digit number (1)

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

-Add 3 single digit numbers with sum up to 20
-Write addition statements with 3 addends
-Show interest in addition of multiple numbers
-

-Add 3 single digit numbers using concrete objects
-Add 3 single digit numbers by counting on
-Practice writing addition statements with 3 addends
-

How can we add three numbers with sum up to 20?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 66
-Counters
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 67
Place value charts

-Observation -Oral questions -Written assignments -

Numbers

Addition - Adding a 2-digit number to a 1-digit number (2)

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

-Add a 2-digit number (21-30) to a 1-digit number without regrouping
-Write addition statements correctly
-Show interest in addition of larger numbers
-

-Add a 2-digit number to a 1-digit number without regrouping horizontally
-Add a 2-digit number to a 1-digit number without regrouping vertically
-Solve simple addition problems
-

How can we add a 2-digit number to a 1-digit number vertically?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 68
-Place value charts
-Number cards
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Adding a 2-digit number to a 1-digit number (3)
Addition - Adding a 2-digit number to a 1-digit number (4)

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

-Add a 2-digit number (31-40) to a 1-digit number without regrouping
-Write addition statements correctly
-Develop interest in addition of larger numbers
-

-Add a 2-digit number to a 1-digit number without regrouping horizontally
-Add a 2-digit number to a 1-digit number without regrouping vertically
-Solve simple addition problems
-

How can we add a 2-digit number (31-40) to a 1-digit number?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 69
-Place value charts
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 70

-Observation -Oral questions -Written tests -

Numbers

Addition - Adding using counters (1)

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

-Add numbers using counters
-Count the total number of counters
-Develop interest in using counters for addition
-

-Count four counters and add another six counters
-Count the total number of counters altogether
-Write addition statements based on the counters used
-

How can we use counters to add numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 71
-Counters
-Number cards
-

-Observation -Oral questions -Written tests -

Numbers

Addition - Adding using counters (2)
Addition - Addition using number line (1)

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

-Add different numbers using counters
-Write addition statements correctly
-Show interest in addition activities
-

-Use counters to add different combinations of numbers
-Count the total number of counters after combining
-Write addition statements based on counters used
-

How can we add different numbers using counters?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 72
-Counters
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 73
Number line drawn on floor
Number line charts

-Observation -Oral questions -Written assignments -

Numbers

Addition - Addition using number line (2)

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

-Add small numbers using a number line
-Write correct addition statements
-Show interest in using number line for addition
-

-Use a number line to add 2+2
-Use a number line to add 1+2
-Use a number line to add 3+1
-Use a number line to add 3+2
-

How can we add different numbers using a number line?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 74
-Number line charts
-Drawing of number lines
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Addition using number line (3)
Addition - Working with missing numbers in patterns (1)

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

-Add larger numbers using a number line
-Write correct addition statements
-Develop interest in using number line for addition
-

-Use a number line to add 3+5
-Use a number line to add various combinations of numbers
-Practice addition on paper using number lines
-

How can we add larger numbers using a number line?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 75
-Number line charts
-Drawing of number lines
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 76
Number pattern charts
Number cards

-Observation -Oral questions -Written tests -

Numbers

Addition - Working with missing numbers in patterns (2)

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

-Identify missing numbers in patterns up to 30
-Complete addition patterns
-Develop interest in number patterns
-

-In pairs/groups, make number patterns involving addition with numbers up to 30
-Identify missing numbers in patterns
-Complete addition patterns
-

How can we find missing numbers in addition patterns up to 30?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 77
-Number pattern charts
-Number cards
-

-Observation -Oral questions -Written tests -

Numbers

Addition - Working with missing numbers in patterns (3)
Addition - Working with missing numbers in patterns (4)

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

-Identify missing numbers in patterns up to 40
-Complete addition patterns
-Show interest in number patterns
-

-In pairs/groups, make number patterns involving addition with numbers up to 40
-Identify missing numbers in patterns
-Complete addition patterns
-

How can we find missing numbers in addition patterns up to 40?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 78
-Number pattern charts
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 79

-Observation -Oral questions -Written assignments -

Numbers

Addition - Creating number patterns (1)

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

-Create patterns involving addition with numbers up to 20
-Extend addition patterns
-Show interest in creating number patterns
-

-In pairs/groups, create addition patterns with numbers up to 20
-Share created patterns with other groups
-Extend given addition patterns
-

What addition patterns can we create?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 80
-Number cards
-Pattern examples
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Creating number patterns (2)
Addition - Playing games involving addition (1)

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

-Create patterns involving addition with numbers up to 50
-Extend addition patterns
-Develop interest in creating number patterns
-

-In pairs/groups, create addition patterns with numbers up to 50
-Share created patterns with other groups
-Extend given addition patterns
-

What addition patterns can we create with larger numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 81
-Number cards
-Pattern examples
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 82
Addition board games

-Observation -Oral questions -Written tests -

Numbers

Addition - Playing games involving addition (2)

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

-Play games involving addition with larger numbers
-Follow rules in addition games
-Develop interest in addition games with larger numbers
-

-Play games involving addition using digital devices (if available)
-Create simple addition games in groups
-Practice mental addition through games
-

How can games help us with addition of larger numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 83
-Digital devices (if available)
-Addition game cards
-

-Observation -Oral questions -Written tests -

Numbers

Addition - Solving addition story problems (1)
Subtraction - Modeling subtraction as 'taking away'

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

-Solve simple addition word problems
-Write addition sentences for word problems
-Show interest in solving addition problems
-

-Listen to simple addition word problems
-Identify the numbers to add in the problems
-Write addition sentences and solve the problems
-

How can we solve addition problems from real-life situations?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 84
-Addition problem cards
-Counters
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 91
Objects for counting

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Using '-' and '=' signs

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

-Use '-' sign to show subtraction
-Use '=' sign to show equality
-Develop interest in writing subtraction statements
-

-Use '-' and '=' signs in writing subtraction sentences
-Practice writing subtraction statements with symbols
-Match subtraction sentences with corresponding pictures
-

How do we write subtraction statements using "-" and "=" signs?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 92
-Number cards
-Subtraction symbol cards
-

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Subtracting single digit numbers (1)
Subtraction - Subtracting single digit numbers (2)

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

-Subtract single digit numbers from numbers up to 5
-Write subtraction statements correctly
-Show interest in subtraction exercises
-

-In pairs/groups, subtract by counting backwards
-In pairs/groups, subtract using concrete objects
-Practice writing subtraction statements
-

How can we subtract from numbers up to 5?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 93
-Counters
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 94

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Subtracting single digit numbers (3)

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

-Subtract single digit numbers from numbers up to 15
-Write subtraction statements correctly
-Show interest in subtraction activities
-

-In pairs/groups, subtract by counting backwards
-In pairs/groups, subtract using concrete objects
-Practice writing subtraction statements
-

How can we subtract from numbers up to 15?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 95
-Counters
-Number cards
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Subtracting single digit numbers (4)
Subtraction - Subtracting a 1-digit number from a 2-digit number (1)

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

-Subtract single digit numbers from numbers up to 20
-Write subtraction statements correctly
-Develop interest in subtraction of larger numbers
-

-In pairs/groups, subtract by counting backwards
-In pairs/groups, subtract using concrete objects
-Practice writing subtraction statements
-

How can we subtract from numbers up to 20?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 96
-Counters
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 97
Place value charts

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Subtracting a 1-digit number from a 2-digit number (2)

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

-Subtract a 1-digit number from a 2-digit number (31-40) without regrouping
-Write subtraction statements correctly
-Develop interest in subtraction of larger numbers
-

-Use number cards or charts to work out subtraction of a 1-digit number from a 2-digit number
-Perform subtraction horizontally and vertically
-Solve simple subtraction problems
-

How can we subtract a 1-digit number from a 2-digit number vertically?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 98
-Number cards
-Place value charts
-

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Subtracting a 1-digit number from a 2-digit number (3)
Subtraction - Subtraction using counters (1)

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

-Subtract a 1-digit number from a 2-digit number (41-50) without regrouping
-Write subtraction statements correctly
-Show interest in subtraction of larger numbers
-

-Use number cards or charts to work out subtraction of a 1-digit number from a 2-digit number
-Perform subtraction horizontally and vertically
-Solve simple subtraction problems
-

How can we subtract a 1-digit number from numbers 41-50?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 99
-Number cards
-Place value charts
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 100
Counters

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Subtraction using counters (2)

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

-Subtract different numbers using counters
-Write subtraction statements correctly
-Show interest in subtraction activities
-

-Use counters to subtract different combinations of numbers
-Count the remaining counters after taking away
-Write subtraction statements based on counters used
-

How can we subtract different numbers using counters?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 101
-Counters
-Number cards
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Subtraction using number line (1)
Subtraction - Subtraction using number line (2)

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

-Subtract numbers using a number line
-Show subtraction as backward movement on the number line
-Develop interest in using number line for subtraction
-

-Draw a line on the floor and mark as shown
-Stand at a number and move steps backward
-Read the number at the last step
-Write subtraction statement based on the movement
-

How can we use a number line to subtract numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 102
-Number line drawn on floor
-Number line charts
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 103
Drawing of number lines

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Working with missing numbers in patterns (1)

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

-Identify missing numbers in patterns involving subtraction up to 20
-Complete subtraction patterns
-Show interest in number patterns
-

-In pairs/groups, make number patterns involving subtraction with numbers up to 20
-Identify missing numbers in patterns
-Complete subtraction patterns
-

How can we find missing numbers in subtraction patterns?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 104
-Number pattern charts
-Number cards
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Working with missing numbers in patterns (2)
Subtraction - Creating number patterns (1)

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

-Identify missing numbers in patterns involving subtraction up to 50
-Complete subtraction patterns
-Develop interest in number patterns
-

-In pairs/groups, make number patterns involving subtraction with numbers up to 50
-Identify missing numbers in patterns
-Complete subtraction patterns
-

How can we find missing numbers in subtraction patterns up to 50?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 105
-Number pattern charts
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 106
Pattern examples

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Creating number patterns (2)

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

-Create patterns involving subtraction with numbers up to 50
-Extend subtraction patterns
-Develop interest in creating number patterns
-

-In pairs/groups, create subtraction patterns with numbers up to 50
-Share created patterns with other groups
-Extend given subtraction patterns
-

What subtraction patterns can we create with larger numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 107
-Number cards
-Pattern examples
-

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Playing games involving subtraction (1)
Subtraction - Playing games involving subtraction (2)

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

-Play games involving subtraction with numbers up to 20
-Follow rules in subtraction games
-Show interest in learning subtraction through games
-

-Play simple subtraction board games
-Take turns in subtraction games
-Practice mental subtraction through games
-

How can we use games to practice subtraction?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 108
-Subtraction board games
-Number cards
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 109
Digital devices (if available)
Subtraction game cards

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Solving subtraction story problems (1)

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

-Solve simple subtraction word problems
-Write subtraction sentences for word problems
-Show interest in solving subtraction problems
-

-Listen to simple subtraction word problems
-Identify the numbers to subtract in the problems
-Write subtraction sentences and solve the problems
-

How can we solve subtraction problems from real-life situations?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 110
-Subtraction problem cards
-Counters
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Solving addition story problems (2)
Addition - Solving addition story problems (3)

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

-Solve addition word problems with larger numbers
-Write addition sentences for word problems
-Develop interest in solving real-life addition problems
-

-Listen to addition word problems with larger numbers
-Identify the numbers to add in the problems
-Write addition sentences and solve the problems
-

How can we solve addition problems with larger numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 85
-Addition problem cards
-Counters
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 86
Pictures for problem creation

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Solving subtraction story problems (2)

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

-Solve subtraction word problems with larger numbers
-Write subtraction sentences for word problems
-Develop interest in solving real-life subtraction problems
-

-Listen to subtraction word problems with larger numbers
-Identify the numbers to subtract in the problems
-Write subtraction sentences and solve the problems
-

How can we solve subtraction problems with larger numbers?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 111
-Subtraction problem cards
-Counters
-

-Observation -Oral questions -Written tests -

Numbers

Addition - Creating and solving addition problems using technology
Subtraction - Solving subtraction story problems (3)

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

-Use digital devices to practice addition (if available)
-Solve addition problems with various strategies
-Appreciate technology in learning addition
-

-Use digital devices to practice addition
-Create and solve addition problems with peers
-Discuss different strategies for addition
-

How can technology help us learn addition?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 87
-Digital devices (if available)
-Counters
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 112
Pictures for problem creation

-Observation -Oral questions -Written assignments -

Measurement

Length - Comparing length - Longer than

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

-Compare the length of two objects
-Identify objects which are longer than others
-Show interest in comparing lengths
-

-In pairs, get a pencil and a stick to compare their lengths
-Identify which one is longer
-Use other items to compare lengths
-

How do you compare the length of two objects?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 113
-Sticks
-Pencils
-Rulers
-

-Observation -Oral questions -Written assignments -

Measurement

Length - Comparing length - Shorter than
Length - Comparing length - Same as

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

-Compare the length of two objects
-Identify objects which are shorter than others
-Develop interest in comparing lengths
-

-In pairs, compare the length of various objects
-Identify which ones are shorter than others
-Complete sentences using "shorter than"
-

How can you tell if an object is shorter than another?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 114
-Pens
-Sticks
-Pencils
-Spoons
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 115
Rulers
Pencils of same length
Pens of same length

-Observation -Oral questions -Written tests -

Measurement

Length - Comparing length of various objects

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

-Compare lengths using "longer than," "shorter than" or "same as"
-Write appropriate comparison statements
-Develop interest in comparing lengths
-

-Compare various objects and identify which is longer, shorter, or the same length
-Write "longer than," "shorter than" or "same as" to complete sentences
-Practice comparing lengths of objects in the classroom
-

Which objects are longer than, shorter than, or the same length as others?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 116
-Various objects to compare
-Rulers
-

-Observation -Oral questions -Written tests -

Measurement

Length - Measuring length using non-standard units (1)
Length - Measuring length using non-standard units (2)

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

-Measure length using arbitrary units
-Compare measurements using the same unit
-Show interest in measuring length
-

-In pairs, use a stick to measure one side of the window
-Use a pencil to measure the same length
-Compare measurements with other groups
-

What can be used to measure the length of objects?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 117
-Sticks
-Pencils
-Objects to measure
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 118
Pens

-Observation -Oral questions -Written assignments -

Measurement

Length - Measuring length using hand-spans

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

-Measure length using hand-spans
-Record measurements using hand-spans
-Show interest in measuring using hand-spans
-

-In pairs, use a hand-span to measure the length of the teacher's table
-Measure various objects using hand-spans
-Record and compare measurements with other groups
-

How many hand-spans long are different objects?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 119
-Objects to measure
-Recording sheets
-

-Observation -Oral questions -Written assignments -

Measurement

Length - Measuring length using steps
Length - Using and comparing non-standard units

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

-Measure distances using steps
-Record measurements using steps
-Develop interest in measuring using steps
-

-In groups, use steps to measure the length of the classroom
-Measure the distance in steps from the classroom to the flag post
-Record measurements in a table
-Discuss and share with other groups
-

How many steps long are different distances?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 120
-Recording sheets
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 121
Various measuring units
Objects to measure

-Observation -Oral questions -Written tests -

Measurement

Length - Applying length measurement to real-life situations

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

-Apply length measurement in real-life situations
-Measure objects in the environment
-Appreciate the use of length measurement in daily life
-

-Discuss real-life situations where length measurement is used
-Measure various objects in the school environment
-Record and share findings
-

Where do we use length measurement in our daily lives?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 122
-Objects in the environment
-Non-standard measuring units
-

-Observation -Oral questions -Written tests -