More mental multiplication: revision

Multiplying by 101 or 99 in your head. Sounds difficult, but you can do it by multiplying by 100 and then adjusting.

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Using tables knowledge and doubling to multiply by 12, 24, 18 etc.

How about trying to multiply by 14 or 16 in your head?

Multiply a decimal fraction by 10 or 100: remember to move the digits one place to the left or two places to the left.

Use knowledge of place value to multiply and divide by 10, 100 and 1,000.

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