Math 7 Unit 1 Test Review

Find the value of the expression. 4 - (-5).

• 1

• -1

• 9

• -9

Is 3.2 - 7.8 positive, negative, or zero?

• positive

• negative

• zero

Is 2.1 - (-2.1) positive, negative, or zero?

• positive

• negative

• zero

• 1

Simplify. 37 + (-52)

• 15

• -15

• 89

• -89

Solve. -2.34 + (-6.5)

• -8.84

• 8.84

• -4.16

• 4.16

The temperature was 13 degrees when Jayden went to bed. When he woke up it was -7 degrees. What was the change in temperature?

• 6

• -6

• 20

• -20

Suppose a deep-sea diver dives from the surface to 74 feet below the surface. He then dove down 14 more feet. Find the diver's present depth as an integer.

• 60

• -60

• -88

• 88

Kylee jumps from a platform that is 6.5 meters above water. Her jump takes him 3.7 meters below the surface of the water. What distance did Kylee jump?

• -10.2

• 10.2

• 2.8

• -2.8