Model One Step Addition and Subtraction Equations

5 - (-12)

• -7

• 7

• 17

• -17

-632 + 632 =

• 1264

• -1264

• -1

• 0

A scuba diver dove down 25 feet, then swam up 11 feet. Which equation represents this and the diver's current position?

• -25 + - 11 = -36

• -25 + 11 = -14

• -25 + 11 = -36

• -25 + 11 = 14

Which expression has the sum of 0?

• 0 - 8

• 0 + -8

• -8 - 8

• 8 + (-8)

Solve for x:
8x - 10 = -34

• 4

• 3

• -3

• -24

Solve the equation.

4x + 6 = 30

• 7

• 34

• 9

• 6

4x + 7 = 23

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

2x - 3 = 1

Select ALL equations that demonstrate Additive Inverse

• -8 + 0 = -8

• 8 + -8 = 0

• 0 + -8 = -8

• -8 + 8 = 0

• 8 + 8 = 0