Unit 5 Lesson 5 Representing Subtration

Write the subtraction equation as an addition equation.

a - 5 = 11

• 11 + a = 5

• 5 + 11 = a

• 5 + a = 11

Write the subtraction equation as an addition equation.

x - 14 = -20

• -20 + 14 = x

• 20 + 14 = x

• -20 + x = 14

Solve. Use a number line if you get stuck.

12 - 5 =

• 17

• -7

• 7

• 8

Solve. Use a number line if you get stuck.

5 - (-12) =

• 7

• -17

• 17

• -7

Solve. Use a number line if you get stuck.

5 - 12 =

• 7

• -7

• -8

• -17

Solve. Use a number line if you get stuck.

-5 - 12 =

• -17

• -7

• 17

• 7

Solve. Use a number line if you get stuck.

-5 - (-12)

• -17

• -7

• 7

• 17

Solve. Use a number line if you get stuck.

8 - (-3) =

• 11

• 5

• -11

• -5

Solve. Use a number line if you get stuck.

-8 - (-3) =

• -5

• 5

• -11

• 11

Solve. Use a number line line if you get stuck.

3 - (-8) =

• -5

• -11

• 5

• 11