Integers

-10+4

• -14

• 14

• -6

• 6

-20+(-11)

• 31

• 9

• -9

• -31

-9 + 9

• 18

• -18

• 0

• 81

8 - 12

• 4

• -4

• -6

• -8

• F

• G

• H

• J

If I am subtracting integers, I need to change the problem to addition by ​ ​ (a)   ​ the ​ (b)   ​

• opposite

• subtracting

• same sign

• adding

Marla owes her sister $15. She pays her $6 today. Which integer represents the amount of debt she has remaining?

Mathematical Equivalence

ON

Match the following

• -4

• 8 - (-5)

• -8

• 10 - 9

• 1

• -7 + (-1)

• 2

• 1 - 5

• 13

• -4 - (-6)

What is the value of the expression? 

• 27

• 9

• -9 

• Not here

Match the following with the correct operation and sign of the answer.

• add, negative

• 3 + 5

• add, positive

• -1239 + 904

• subtract, positive

• -762 + (-481)

• subtract, negative

• -717 + 927