How do you multiply by 4?

How do you multiply by 4?

To multiply a number by 4, double the number and double it again. This is known as the double, double strategy. To double a number, add it to itself. Multiplying by 4 is the same as multiplying by 2 and then multiplying by 2 again.

Is there a trick for multiplying by 4?

The 4 Times TableThe 2 Times Table4 x 4 164 x 2 85 x 4 205 x 2 106 x 4 246 x 2 127 x 4 287 x 2 146 more rows

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