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# Sums and Differences 2

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Age 7 to 11

Challenge Level

- Problem
- Getting Started
- Teachers' Resources

Begin by finding the sum and difference of the numbers you have chosen.

Then find the sum and difference of the new numbers.

It might be helpful to record your findings in a table like this:

Look carefully across each row. Can you see a pattern?

Then find the sum and difference of the new numbers.

It might be helpful to record your findings in a table like this:

1st number | 2nd number | Sum | Difference | Sum | Difference |

24 | 31 | 55 | 7 | 62 | 48 |

14 | 20 | 34 | 6 | 40 | 28 |

Look carefully across each row. Can you see a pattern?