doubling and halving by fjoj

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Doubling and halving MULTIPLYING USING Doubling and halving is a mathematic strategy to times and add.

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Page 1: Doubling And Halving By Fjoj

Doubling and halving

MULTIPLYING USING

Doubling and halving is a mathematic strategy to times and add.

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Example question

4x5 (4 sets of 5)

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STEP 1:

•Halve one of the numbers e.g. four becomes two.

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• double the other number e.g. five becomes ten.

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•Work out two times ten to get your answer.

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TRY THESE…?

• 4X3

• 6X4

• 5X6

• 8X2

• 2X9

• 12X3

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Credits

Director: Jack Solomon

Artist: Jack Gray

Word designer: Oliver Miller

Editor: Finnbar Dowdall

Page 8: Doubling And Halving By Fjoj