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INTEGERS

Published on Nov 22, 2015

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1.

INTEGERS

ADDITION AND SUBTRACTION RULES
Photo by jronaldlee
2.

The same sign add and keep the same sign as it has

Different signs subtract and keep the same sign of the bigger number.

3.

10+30=40 same sign
12+-5=7 different signs

Photo by aguscr
4.

Keep change change
Keeps the signs of the first #
Change subtract to add
Change the number of the second number to its opposites

5.

-7- -4=
K C C-
7+4=-3

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