Operations With Integers

(-7)(-7) =

(-4)(5) + 8 =

Match the following

• -4

• -7 + (-1)

• 2

• 8 - (-5)

• 1

• -4 - (-6)

• -8

• 10 - 9

• 13

• 1 - 5

A submarine is submerged at 20 feet below the surface. The submarine is now  descending at a rate of 120 feet per minute. Which integer represents the position of the submarine after 3 minutes?

• • -20 feet below the surface

• -380 feet below the surface

• -360 feet below the surface

A submarine is submerged at 20 feet below the surface. The submarine is now  descending at a rate of 120 feet per minute. Which integer represents the position of the submarine after 3 minutes?

• • -20 feet below the surface

• -380 feet below the surface

• -360 feet below the surface

When you subtract a negative number we add its ​ ​ (a)   .

• opposite

• inverse

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

• subtract, positive

• -1239 + 904

• subtract, negative

• -762 + (-481)

• add, negative

• 3 + 5

• add, positive

• -717 + 927

Solve:
-15  -  3 =

• 12

• -12

• -18

• 18

Solve:
-7(6) =

• -13

• -48

• 42

• -42

-15 ÷ 3

• 5

• -5

• 45

• -45