Topic 8 Test Review

Find the opposite of -9.

• -9

• 9

• 0

• 19

On Wednesday, the temperature was 22 degrees above zero. On Thursday, it was 6 degrees below zero.

What integer represents Wednesday?

What integer represents Thursday?

• -22

  -6

• 22

  6

• -22

  6

• 22

  -6

A point on the ocean floor is 5,950 m below sea level. Express this elevation as an integer. The elevation as an integer is _____ m.

A meteorologist forecasts the temperature to be 16 degrees above zero. The integer 16 represents this situation. Find the opposite of this integer.

• 16

• 0.16

• -16

• 1.6

A meteorologist forecasts the temperature to be 16 degrees above zero. The integer 16 represents this situation. Which of the following represents the opposite of this situation?

• The meteorologist forecasts the temperature to be 16 above zero.

• The meteorologist forecasts the temperature to be 17 below zero.

• The meteorologist forecasts the temperature to be 15 above zero.

• The meteorologist forecasts the temperature to be 16 below zero.

Compare -8 and -3.

Which inequality below compares -8 and -3 correctly?

• -8 < -3

• -8 > -3

One day last winter, the temperature was -5 degrees at 9 AM. The temperature was -15 degrees at 7 PM. Write and inequality to compare these two temperatures.

• -5 > -15

• -5 < -15

Which list below shows the numbers ordered from least to greatest?

• 10, 4, -5, -5, 5

• 10, 5, 4, -4, -5

• -5, -4, 4, 5, 10

• -4, 4, 10, -5, 5

Which list below shows the numbers ordered from greatest to least?

• -9, -8, -7, -4, 2, 4, 7

• 7, 4, 2, -4, -7, -8, -9

• 7, 2, -7, -8, -4, -9, 4

• -8, -4, 2, -9, 7, -7, 4

How can you tell which day is the warmest on a number line?

• Find the day that corresponds to the middle number on the number line.

• Find the day that corresponds to the number farthest from 0 on the number line.

• Find the day that corresponds to the number farthest left on the number line.

• Find the day that corresponds to the number farthest right on the number line.