This task is about finding missing numbers in addition and subtraction equations.
For each problem below, record your answer in the box. Show or explain how you got your answer in the space provided.
a) 67 + 38 – 67 = 
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This is how I got my answer:
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b) 37 – 37 + 86 + 19 – 19 =
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This is how I got my answer:
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c) 71 – 53 + 53 = 28 + – 28
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This is how I got my answer:
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d) 95 + 58 + 23 – – 95 = 68 + 23 – 68
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This is how I got my answer:
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