For example: Let’s take 64 × 25Reduce 64 to half. We get 32.Again, reduce 32 to half. We get 16.Now, add two zeroes at the end of 16. We get 1600.So, 64 × 25 = 1,600Try these at home: 88 X 25 = _____36 X 25 = _____68 X 25 = _____
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