Adding and Subtracting Rational Numbers

- 5/6 + - 3/8

• 8/14
• - 8/14
• - 29/ 24 (or -1   5/24) 
• 29/ 24 (or 1   5/24) 

-2.61 + (-6.88)

• 9.49
• -9.49
• 4.27
• -4.27

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

When you add opposites, what do you get?

• 0
• A negative number
• Attraction
• You cannot add opposites

-40 + 15.05

• 55.05
• 24.95
• -24.95
• 14.65

The temperature drops 2°F each hour. What is the total change in temperature after 12 hours?

• -24
• 26
• 24
• -26

The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7, and up $4. What was the price of a share at the end of the day?

• $27
• $31
• $32
• $35

5.5 - 2.75 =

• 2.5

• 2 1/4

• 3

• 2.75

-7 - (-12) =

• -19

• 5

• -5

• 19

-14 - (-8)

• -22

• 6

• 22

• -6