adding 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

9/7 + -1/5

• -38/35
• 52/35
• 38/35
• -52/35

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

What is the value of -456 + 905?

• -449

• 1361

• 449

• -1361

What is the value of (-612) + (-221)?

• 883

• -391

• -833

• 391

What is the value of (-115) + 23?

• -138

• 92

• 138

• -92