tags: mental math

tags: mental math
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Crazy Twos (Two to the…s)

Algebra Number Sense
Let your students practice manipulating exponents. Multiplication, division, roots, powers of powers.  This powerful activity asks them to do some impressive mathematics in their hea...

Impress your parents at dinner

Algebra Number Sense
This activity is the first in our series on mental math tricks.  Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on.  We have a litt...
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