Use the place value chart to help you find the missing numbers,
Use the bar models to help you complete the calculations.
Elliot has represented two calculations on a number line.
Explain why he is correct.
This worksheet is aimed at those working at age expected.
Children solve missing number problems by comparing calculations.
They need to understand that when two numbers are increased by the same amount the difference remains the same, and that the total of two numbers remains the same if one number has been increased by an amount and the
other decreased by the same amount.
Bar models and/or number lines can be used to illustrate these calculations.
The answer sheet is attached.
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