Adding and Subtracting Rational Numbers

Front

Tell whether this sentence is always true, sometimes true, or never true: negative - positive = negative

Back

always true

Front

¾ + -¼ =

Back

1/2

Front

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

Back

9 + (-22) = -13

Front

7/10 - 9/10

Back

-1/5

Front

Simplify the expression using the subtraction method.

Back

-3/5

Front

-⅔ - (-⅓) =

Back

-1/3

Front

-4 - 10

Back

-14

Front

4.16 - 9.043

Back

-4.883

Front

At the beginning of the week I had $100 in my bank account. By Friday, I had a debt of $20. What integer represents the CHANGE in the amount of money I have?

Back

-120