Homework 1-23-12

1st: 214, 5-12, 14-15

5th-6th: page 125, 1-19.

http://www.mathsisfun.com/positive-negative-integers.html

Adding Integers

(+) + (+) = positive (add the absolute values)


(-) + (-) = negative (add the absolute values)


(+) + (-) = ? (subtract the absolute values)


(-) + (+) = ? (subtract the absolute values)


 

Subtracting Integers

(+) – (+) = (+) + (-)= ? (subtract the absolute values)


(-) – (-) = (-) + (+)= ? (subtract the absolute values)


(+) – (-) = (+) + (+)= (+) (add the absolute values)


(-) – (+) = (-) + (-)= (-) (add the absolute values)








 

 

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