compatible numbers ~ A Maths Dictionary for Kids Quick Reference by Jenny Eather

Quick Reference ~ A maths Dictionary for Kids by Jenny Eather

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compatible numbers • are close in value to the actual numbers in a problem but easier to estimate or calculate with, e.g. using 20 and 5 rather than 20.25 and 5.1 to estimate 20.25 ÷ 5.1. EXAMPLES:

compatible numbers

• are close in value to the actual numbers in a problem
but easier to estimate or calculate with, e.g.
using 20 and 5 rather than 20.25 and 5.1
to estimate 20.25 ÷ 5.1.

EXAMPLES:
compatible numbers


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