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Q: What is mental math when using properties of equality?

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Mental math is basically math in your head so for example 40x2=80 so I did that in my head

Normally it is = which is an equality sign

assotive coummitive and identfiy

the equality sign " = "

yes

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you answer it!

its makes it easier because its been seprated by each properties

So you don't have to use mental math or fingers

GIMME THE ANSWER

510 divide by 52 using mental math and using long div = 9.807692307692308

371

You

3.4

use mental math

The definitation of math is :The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols.

No difference. Both require you to think it out rather than write it out.

mental math

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