Subtraction I

Week: Seven

Topic: Subtraction I

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

1. Subtract 2-digit numbers without exchanging or renaming.

2. Subtract 2-digit numbers by exchanging and renaming them.

3. Apply addition and subtraction in everyday activities.

Reference material:

1. Number cards.

2. Cardboard strips with numerals and number lines etc.

3. Number beads.

4. Sticks.

5. Counters such as oranges, beans seed bottles tops.

Content:

1. Revision of subtraction of 1-digit numbers.

1. 5-3=2

2. 8-6=3
3. 7-5=2.

Subtraction with the use of counters:

Example1

If you have 10 pineapples in the kitchen and you are 4 in the morning how many pineapples do you now have?

You will Subtract 4 from 10

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Your answer will be six which…