Operations with integers

By: Paloma and Jose M.

multiplying and dividing integers with like signs

When you have like signs, the answer stays positive.

examples:

3°2= 6

-4°-4= 16

6°4= 24





biblioigraphy of pic

"Integer Notes Page." Integer Notes Page. N.p., n.d. Web. 11 Feb. 2016. <http://leetmath.tripod.com/integernotes.htm>.

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Multiplying and Dividing integers with unlike signs

When you have unlike signs, the answer is always negative.

examples:

3°(-7) = -21

-4°9=-36

-6°2= -12




bibliography of pic

"Integer Notes Page." Integer Notes Page. N.p., n.d. Web. 11 Feb. 2016. <http://leetmath.tripod.com/integernotes.htm>.

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Adding and subtracting integers with like signs

Like signs add and stay with the sign.

examples:

6-4 =2

-3-9 = -12

-2-2=-4



bibliography


"Math for Grownups." Math for Grownups. N.p., n.d. Web. 11 Feb. 2016. <http://mathforgrownups.com/pluses-and-minuses-adding-and-subtracting-integers/>.



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Adding and subtracting integers with unlike signs

Unlike signs subtract and stay with the sign of the bigger number.

examples:

-6+2= -4

-3+4=1

7+(-3)=4


bibliography of picc

"Rebecca S. Lindsay's Tutoring Service." Rebecca S. Lindsay's Tutoring Service. N.p., n.d. Web. 11 Feb. 2016. <http://www.loisterms.com/lois21.htm>.



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