Find the difference between 2 numbers

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Presentation transcript:

Find the difference between 2 numbers

Lets find the difference between 7 and 2

The red tower has 5 more blocks 1 The difference is 5. The red tower has 5 more blocks 2 3 4 5 6 1 7 2

The difference between 7 and 2 is 5

What is the difference between 8 and 5? 1 What is the difference between 8 and 5? 2 3 The difference between 8 and 5 is 3 4 1 5 2 6 3 7 4 There are 3 more red blocks. 8 5

There are 4 more green blocks 1 What is the difference between 2 and 6? 2 3 4 The difference is 4 1 5 2 6 There are 4 more green blocks

There are 8 more yellow blocks What is the difference between 9 and 1? 1 2 3 The difference between 9 and 1 is 8 4 5 6 There are 8 more yellow blocks 7 8 9 1

There are 7 more green blocks. 1 What is the difference between 5 and 12? 2 3 4 5 The difference between 5 and 12 is 7 6 7 8 1 9 2 There are 7 more green blocks. 10 3 11 4 12 5

What is the difference between 4 and 10? 9 8 7 6 5 4 3 2 1 4 3 2 1 What is the difference between 4 and 10? The difference is 6 There are 6 more yellow blocks

3 Now try these….. The difference between 6 and 2 is 6 5 4 3 2 1 2 1 11 10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 3

Can you think of any other ways to find the difference? Take the smaller number away from the bigger number Count on from the smaller number