# Lesson Notes By Weeks and Term - Primary 3

Subtraction

WEEK 7

Subject: Mathematics

Class: Primary 3

Term: 1st Term

Topic: Subtraction

Subtitle: Subtraction

Learning Objectives:At the end of this this lesson,pupils should be able to:

1. Subtract 2digit numbers
2. Subtract 3digit numbers
3. Subtract 3 numbers taking two at a time

Resources and materials:

Scheme of work

Online information

Instructional material: number charts

Building Background/connection to prior knowledge: pupils are familiar with the topic in their previous classes.

CONTENT

Subtraction of 2digit numbers

1. 53-42                         89-24           8 9

5 3                                              - 2 4

- 4 2                                                6 5

1 1

1. 97- 84                        64-22        6 4

9 7                                           -2 2

- 8 4                                            4 2

1 3

Subtraction of 3digit numbers

1. 896-124

8 9 6

1 2 4

7 7 2

1. 758 - 345

7 5 8

3 4 5

4 1 3

1. 999 - 757

9  9  9

- 7  5  7

2  4  2

1. 654 - 423

6  5  4

-  4  2  3

2 3  1

Strategies& Activities:

Step :Teacher revises the previous topic.

Step 2:Teacher introduces the new topic.

Step3:Teacher explains the new topic.

Step4: Teacher welcomes pupils questions.

Step5: Teacher evaluates the pupils.

Assessment & Evaluation:

Using tens and unit or hundred, tens and unit

1. 44 – 16    7. 761 - 160
2. 98 – 67    8. 597 - 145
3. 76 – 33
4. 53 – 41
5. 91 – 50
6. 87 - 76

WRAP UP(CONCLUSION) Teacher goes over the topic once again for better understanding.

Assignment:

1. 85 – 66
2. 45 – 48
3. 55 – 14
4. 182 – 141
5. 889 – 771
6. 761 - 124