Adding and Subtracting Rational Numbers

• -1 1/3
• -2 2/3
• 3 1/3
• -3

-1 - 2.5

• -1.5

• -3.5

• 0.5

• 2.5

2.75 - (-1.25)

• 4

• -4

• 1.5

• -1.5

- 31 + - 7

• 24

• -24

• - 38

• 38

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.

• -9 + (-22) = -13

• 9 + (-22) = 13

• 9 + (-22) = -13

• none

-13 - (-4) =

• -9

• -17

• 9

• -8

Solve the problem.

-4 - 10

• -4

• 4

• 14

• -14

numbers that are greater than zero and to the right of zero on the number line

• integers
• opposite numbers
• positive numbers
• negative numbers

numbers that are less than zero and located to the left of zero on the number line

• positive numbers
• negative numbers
• integers
• signed numbers

Evaluate:  -19 -10

• 9
• -9
• -29
• 29