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76 Speed Math for Kids
One last question for this chapter: how would you multiply by 55?
To multiply by 55, you could multiply by 11 and 5 (5 × 11 = 55),
or you could multiply by 11 and 10 and halve the answer. Always
remember to look for the method that is easiest for you.
After you have practiced these strategies, you will begin to recognize
the opportunities to use them for yourself.

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