WALT – Understand the operation of subtraction

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WALT – Understand the operation of subtraction 16 14 20 17 Mental starter With a partner discuss and solve this problem There are 6 people at a bus stop. A bus comes along and 3 people get on. How many people are left waiting? The story of 5 teddy bears 1 2 3 4 5

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### WALT – Understand the operation of subtraction

16

14

20

17

Mental starter

With a partner discuss and solve this problem

There are 6 people at a bus stop. A bus comes along and 3 people get on. How many people are left waiting?

The story of 5 teddy bears

1

2

3

4

5

Once there were 5 teddy bears

1 fell off the shelf …

1

2

3

4

… then there were

4

5

-

1

4

=

1

2

3

4

7

- 3

=

4

1

2

3

4

1

5

2

6

3

7

4

Bead subtraction – Triangles

Storyboard subtraction - Circles

Toy box subtraction - Squares

Number line subtraction - Diamonds

1 2 3 4 5 6 7 8 9 10