Math 7 Unit 1 Quiz 2 Review 1

Find the value of the expression: -1.8 - (-1.8)

• 3.6

• -3.6

• 0

• -2.6

Is 3.7 - 5.3 positive, negative, or zero?

• positive

• negative

• zero

Is 3.2 - (-3.2) positive, negative, or zero?

• positive

• negative

• zero

Solve. -4.31 + (-2.7)

• -1.61

• -7.01

• 7.01

• 1.61

What is the distance between -4 and -19 on a number line?

• -23

• 23

• -15

• 15

The temperature was 7 degrees Fahrenheit when Megan went to bed. When she woke up it was -2 degrees Fahrenheit. What was the change in temperature?

• 5

• -5

• 9

• -9

Sophia dove from a diving board 12 feet above the water. Her dive took her 5 feet below the surface of the water. What distance did Sophia's dive take her?

• 17

• -17

• 7

• -7