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What Is The Break Apart Strategy In Mental Math Strategies?

I am studying Mental Math Strategies and I would like explanation of the break apart and the ten strategies?

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    Break apart is a strategy for multiplication. For example, to multiply 36 and 4, you first break apart the 36 into 30 and 6, now multiplyl both with muliplier 4. And then add both of them. Like 30*4 + 6*4  = 120 + 24 = 144

    This is easier and faster method.

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    Guest

    Guest  

    answered 2 years ago

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