Addition

Finding numbers that make ten

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Term 1 Week 9

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By:

Problem 1

WALT: find numbers that make ten when we are adding.

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Sione brought 4 mandarins to school. His brother had 3 mandarins in his lunchbox and his sister had 6 mandarins. How many mandarins did Sione’s Mum buy?

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My solution

Explain how you worked out your answer.

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1. I looked for numbers to make tidy tens.
2. 4 + 3 + 6 =
3. I know that 6 + 4 = 10, so 10 + 3 = 13

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Image retrieved from Wikimedia

Problem 2

WALT: find numbers that make ten when we are adding.

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John’s Mum went to Pak’N’Save to buy apples for lunchboxes. She bought 7 apples for Monday, 5 apples for Tuesday and 3 apples for Wednesday. How many apples did she buy altogether?

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Image retrieved from Wikimedia

My solution

Explain how you worked out your answer.

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1. ​

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Problem 3

WALT: find numbers that make ten when we are adding.

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Mr Somerville has a bag with 8 rugby balls. Mr Goodwin has a bag with 4 rugby balls. Miss West has a bag with 2 rugby balls. How many rugby balls does Team 4 have altogether?

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Image retrieved from Wikimedia

My solution

Explain how you worked out your answer.

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1. ​

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Problem 4

WALT: find numbers that make ten when we are adding.

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Mr Somerville has a bag with 12 basketballs. Mr Goodwin has a bag with 6 basketballs. Miss Scanlan has a bag with 8 basketballs. How many basketballs does Team 4 have altogether?

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My solution

Explain how you worked out your answer.

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