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What is the friendly number strategy?

Updated: 4/28/2022
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9y ago

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The friendly number strategy is a way to complete difficult operations by dividing them into operations using friendly numbers, or numbers that are easy to work with. For example, you could use the friendly numbers strategy to solve 169 + 37 by breaking it down into 160 + 30 + 9 + 7.

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9y ago
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Q: What is the friendly number strategy?
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