Unit 1 Exam review homework: Integers, Opposites, etc

Classify the number -29

• whole number

• integer

• rational number

• irrational number

Which of the following lists the integers from least to greatest?

• -9, -7, -4, -2, 1, 5

• -9, -7, 5, -4, -2, 1

• 5, 1, -2, -4, -7, -9

• 5, 1, -2, -4, -9, -7

The change in water level of a pond during the first five months of the year is listed. Which of the following orders the water level from greatest to least?

• April, March, February, May, January

• April, March, February, January, May

• January, May, April, March, February

• May, January, February, March, April

Tessa argues that the absolute value of 24 is greater than the opposite of -18. Is Tessa correct or not? Justify your thinking.

• Tessa is correct because |24| = 24, the opposite of -18 is 18, and 24 > 18.

• Tessa is incorrect because |24| = -24, the opposite of -18 is 18, and 18 > -24.

• Tessa is correct because |24| = 24, the opposite of -18 is -18, and 24 > -18.

• Tessa is incorrect because |24| = 24, the opposite of -18 is 18, and -18 > 24.

Which of the following is NOT true about the number given below?

-10

• The number is negative

• The opposite of the number is negative

• The absolute value of the number is positive

• The number is 10 units away from zero

Which of these numbers is not a whole number nor an integer, but it is a rational number?

• -28

•  $\frac{7}{3}$  

• 0

• 1

Which of these points on the number line has the greatest value?

• Point A

• Point B

• Point C

• Point D

Which person has plotted the point on the number line with the greatest absolute value?

• Nia

• Joel

• Both points have the same absolute value

• What is absolute value?

A scuba diver finds a jelly fish swimming 50 feet below sea level. What could be the opposite of finding a jelly fish 50 feet below sea level?

• Finding a turtle at sea level

• A boat's hull going 5 feet into the water

• A seagull flying over the ocean 50 feet above the waves

• A dolphin jumping out of the water 5 feet

Matthew glanced at the thermometer in the science lab. It stated -9°C. What is the absolute value of the temperature?

• -9

• 0

• 5

• 9