Unit 1 Exam: Numbers and Operations

Calculate the actual sum of -3/8 and 5/6.

• 7/24

• 7/12

• 7/18

• 7/16

Calculate the actual sum of -13.5 and 5.35.

• -8.15

• -8.25

• -8.1

• -8.2

• 10

• 10.25

• 39

• 37.5

Calculate the sum

Calculate the difference

• − 1.86

• − 0.6

• − 0.88

• − 0.86

Calculate the quotient.

• -9

• 9

• -8

• -6

• -45.08 feet

• − 50.1 feet

• -15 feet

• -50.625

The freezing point of helium is -458 degrees Fahrenheit. If you increase that temperature by 569.7 degrees Fahrenheit, you reach the freezing point of phosphorus. What is the freezing point of phosphorus?

• 111.7 degrees Fahrenheit

• 111.5 degrees Fahrenheit

• 111.9 degrees Fahrenheit

• 112 degrees Fahrenheit

• 8

• 9

• 7

• 6