Numbers

Addition - Modeling addition by putting together

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
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Using "+" and "=" signs

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

-Use "+" sign to show addition
-Use "=" sign to show equality
-Develop interest in writing addition statements
-

-Use "+" and "=" signs in writing addition statements
-Practice writing addition sentences with symbols
-Match addition sentences with corresponding pictures
-

How do we write addition statements using "+" and "=" signs?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 61
-Number cards
-Addition symbol cards
-

-Observation -Oral questions -Written tests -

Numbers

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

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 63

-Observation -Oral questions -Written assignments -

Numbers

Addition - Adding 3 single digit numbers (1)

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

-Add 3 single digit numbers with sum up to 10
-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 together?

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

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Numbers

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 a 2-digit number (up to 20) to a 1-digit number without regrouping
-Write addition statements correctly
-Develop interest in adding larger numbers
-

-Add a 2-digit number to a 1-digit number without regrouping horizontally
-Use number cards to practice addition
-Solve simple addition problems
-

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

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

-Observation -Oral questions -Written tests -

Numbers

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

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 69

-Observation -Oral questions -Written assignments -

Numbers

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 (41-50) 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 (41-50) to a 1-digit number?

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

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Numbers

Addition - Addition using number line (1)

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

-Add numbers using a number line
-Show addition as movement on the number line
-Develop interest in using number line for addition
-

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

How can we use a number line to add numbers?

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

-Observation -Oral questions -Written tests -

Numbers

Addition - Addition using number line (2)
Addition - Addition using number line (3)

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 75

-Observation -Oral questions -Written assignments -

Numbers

Addition - Working with missing numbers in patterns (1)

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

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

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

How can we find missing numbers in addition patterns?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 76
-Number pattern charts
-Number cards
-

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Numbers

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 50
-Complete addition patterns
-Develop interest in number patterns
-

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

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

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

-Observation -Oral questions -Written tests -

Numbers

Addition - Creating number patterns (1)
Addition - Creating number patterns (2)

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 81

-Observation -Oral questions -Written assignments -

Numbers

Addition - Playing games involving addition (1)

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

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

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

How can we use games to practice addition?

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

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Modeling subtraction as 'taking away'

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

-Model subtraction as 'taking away'
-Count the remaining objects
-Show interest in subtraction activities
-

-In pairs/groups, model subtraction using concrete objects
-Count the objects before and after taking away
-Discuss real-life situations where subtraction is used
-

How can we show subtraction by taking away?

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

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Using '-' and '=' signs
Subtraction - Subtracting single digit numbers (1)

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

-Observation -Oral questions -Written tests -

Numbers

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 10
-Write subtraction statements correctly
-Develop 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 10?

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

-Observation -Oral questions -Written tests -

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)

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
-

-Observation -Oral questions -Written tests -

Numbers

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 a 1-digit number from a 2-digit number (up to 30) 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
-Solve simple subtraction problems
-

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

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

-Observation -Oral questions -Written assignments -

Numbers

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

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 99

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Subtraction using counters (1)

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

-Subtract numbers using counters
-Count the remaining counters
-Develop interest in using counters for subtraction
-

-Use counters to model subtraction
-Count the remaining counters after taking away
-Write subtraction statements based on the counters used
-

How can we use counters to subtract numbers?

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

-Observation -Oral questions -Written tests -

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)

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
-

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Subtraction using number line (2)

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

-Subtract small numbers using a number line
-Write correct subtraction statements
-Show interest in using number line for subtraction
-

-Use a number line to subtract 5-2
-Use a number line to subtract 7-3
-Use a number line to subtract various combinations
-

How can we subtract different numbers using a number line?

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

-Observation -Oral questions -Written assignments -

Numbers

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

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 105

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Creating number patterns (1)

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

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

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

What subtraction patterns can we create?

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

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Playing games involving subtraction (2)

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

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

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

How can games help us with subtraction of larger numbers?

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

-Observation -Oral questions -Written tests -

Numbers

Subtraction - Solving subtraction story problems (1)
Addition - Solving addition story problems (2)

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 85
Addition problem cards

-Observation -Oral questions -Written assignments -

Numbers

Addition - Solving addition story problems (3)

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

-Create addition word problems
-Solve addition problems created by peers
-Show interest in creating and solving addition problems
-

-Create simple addition word problems in pairs
-Share problems with other pairs to solve
-Write addition sentences and solve the problems
-

How can we create our own addition problems?

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

-Observation -Oral questions -Written assignments -

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

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
-

-Observation -Oral questions -Written assignments -

Numbers

Subtraction - Solving subtraction story problems (3)

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

-Create subtraction word problems
-Solve subtraction problems created by peers
-Show interest in creating and solving subtraction problems
-

-Create simple subtraction word problems in pairs
-Share problems with other pairs to solve
-Write subtraction sentences and solve the problems
-

How can we create our own subtraction problems?

-KLB Mathematical Activities Grade 1 Learner's Book pg. 112
-Pictures for problem creation
-Counters
-

-Observation -Oral questions -Written tests -

Measurement

Length - Comparing length - Longer than
Length - Comparing length - Shorter 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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 114
Pens
Spoons

-Observation -Oral questions -Written assignments -

Measurement

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 the same length
-Show interest in comparing lengths
-

-In pairs, get two new rulers to compare their lengths
-Identify objects that are of the same length
-Complete sentences using "same as"
-

How can we find objects that are of the same length?

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

-Observation -Oral questions -Written assignments -

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)

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
-

-Observation -Oral questions -Written assignments -

Measurement

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

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

-Measure length using pens and sticks
-Record measurements using non-standard units
-Develop interest in measuring length
-

-Use Biro pen and stick to measure length of blackboard ruler, table, chalkboard, newspaper, door and window
-Record the measurements in a table
-Compare measurements with other groups
-

How many pens or sticks long are different objects?

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

-Observation -Oral questions -Written tests -

Measurement

Length - Measuring length using hand-spans
Length - Measuring length using steps

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
-
KLB Mathematical Activities Grade 1 Learner's Book pg. 120

-Observation -Oral questions -Written assignments -

Measurement

Length - Using and comparing non-standard units

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

-Measure objects using different non-standard units
-Compare measurements using different units
-Show interest in measuring length
-

-Measure the same object using different non-standard units (hand spans, steps, pencils)
-Record the measurements
-Discuss why measurements differ when using different units
-

Why do we get different measurements when using different objects to measure?

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

-Observation -Oral questions -Written assignments -

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 -