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Rounding to find approximate answers

When you have carried out a long calculation it is a good idea to check your result by finding an approximate answer in your head. Work out the answers to these questions using whatever method you feel comfortable with. Then check your answer by rounding the numbers up or down then finding an approximate answer in your head.

Keystage: KS2, Year 5, Year 6

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Tutorials are available to TheSchoolRun subscribers only but you can try for free: Learning the 4 times table, Long multiplication and Finding multiples

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Rounding to find approximate answers

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