Forum Thread: How to Save Time with Math Shortcuts

The four shortcuts are, multiplying a number by eleven,
squaring a two digit number ending in five,
multiplying by four,
and subtracting numbers from 1000.

Math Help Videos -MooMooMath

Math Help Videos -MooMooMath MooMooMath provides Math help videos,step by step Math help,math equations,infographics, math calculators and more.

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