Year 5 Maths Challenge 1 12.1.21

Find number bonds to 100 Use images to represent number bonds Make number bonds to 10 Make number bonds to 100 using tens Explain the relationship between 10 and 100

1) 2 2 4 2) 20 20 40

3) 4 4 8 4) 40 40 80

1) 2 2 4 2) 20 20 40

3) 4 4 8 4) 40 40 80

2

8 10

2 8 20 80

10 100

3 tens 7 tens 10 tens 30 70 100

3 tens 7 tens 10 tens

4 tens 6 7 tens 10 tens

4 7 11

3 tens + 7 tens = 10 tens 30 + 70 = 100

7 tens + 3+tens = 10 tens 7 tens ? = 10 tens 70 100 70++30 ? ==100 Addition is commutative; numbers can be added in any order and you will still get the same answer.

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Further challenge: 3) True or false?

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Further challenge: 3) True or false?

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