Adding and Subtracting rational Numbers

Front

Define absolute value.

Back

The distance of a number from zero

Front

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number
• Add together and keep the sign
• Keep, change, switch
• Add the opposite

Back

Add together and keep the sign

Front

Which equation describes the picture? Options:

(-4) + (-6) = (-10)

,

(-4) + 0 = (-10)

,

0 - (4) = (-10)

,

0 - (-4) = (-10)

,

-4 - 6 = 10

Back

(-4) + (-6) = (-10)

Front

Back

A

Front

Back

D

Front

Evaluate: −5 − 15 - (-5) + 15

Back

0

Front

Back

B

Front

Evaluate: −3 − (−4) − (−2) + 1

Back

4

Front

Evaluate: 8 + (-25) + 16 - (-25) - 16

Back

8

Front

34.5 + (-7)

Back

27.5