Adding and "Subtracting" Rational Numbers

Front

What is the value of | –7 |?

Back

7

Front

What's a way to define absolute value?

Back

The distance of a number from zero

Front

⁸/₁₅  +  (-⁶/₁₅)

Back

2/15

Front

−28+(−8)=

Back

−36

Front

-23.4 - 3.4 =

Back

-26.8

Front

7.19 + (-5.34)

Back

1.85

Front

-31 + -7

Back

-38

Front

Rewrite the problem as addition: -5.66 - (-4.1)

Back

-5.66 + 4.1

Front

6.59 + (−7.8) − (−2.41)

Back

1.2

Front

Penny and her cousins each have a different bank balance. What is the sum of all the accounts? Options:

-3

,

7

,

-2

,

4

Back

-2