Adding and Subtracting Rational Numbers Quiz

Solve: -4.5 - (-2.77)

• 7.27
• -1.73
• -7.27 
• 1.73

Solve: 3 1/2 + 7/2

• 4 and 1/12
• 2 and 3/4
• 4 and 1/2
• 3 and 1/12

Solve:
-2.68 +5.22

• 2.54
• 8.12
• 2.54
• -8.12

Mrs. Froese studied for all but of 2/5 of her test. If she studied in increments (parts) of 2.25 hours per part,  how many hours will it take her for the last 2/5 to study? (Use addition or subtraction)
Draw a picture if necessary.

• 4 hours
• 2.5 hours
• 6 hours
• 5 hours

The record high January temperature in Coppell, Texas, is 85 °F. The record low January temperature is -3 °F. Find the difference between the high and low temperatures.

• 88°F
• 98°F
• 94°F
• 82°F