Rational Numbers

Question 1

Which two points on the number line represent numbers that can be combined to make zero?

Revolt · Accepted Answer

B and D

Question 2

A thermometer shows a temperature of degrees. A chemist recorded this temperature in her notebook using a decimal. Which number did the chemist write in the notebook?

Revolt · Accepted Answer

Negative 20.75

Question 3

Vanessa and Zack are playing a game where the player with the lower score wins. At the end of the game, Vanessa has a score of and Zack has a score of . Which statement explains who won?

Revolt · Accepted Answer

Comparing the decimal equivalents of their scores shows that Zack won because is less than –3.625.

Question 4

A recipe shows that the yeast needed for a bread recipe is ounces. Which of the following decimals is equivalent to this number?

Revolt · Accepted Answer

2.ModifyingAbove 3 with bar

Question 5

George is comparing two different phones. The screen of phone A has a width of 5.3 cm. The width of the screen on phone B is cm. Which statement explains which phone has the wider screen?

Revolt · Accepted Answer

Screen B is wider, because .

Question 6

Holly says 4.131131113... is a rational number. Which of the following best describes whether Holly is correct and why??

Revolt · Accepted Answer

Holly is incorrect. The decimal part follows a pattern but does not actually repeat.

Question 7

Which number is the additive inverse of ?

Revolt · Accepted Answer

4 and one-fourth

Question 8

Kailey correctly graphed the opposite of –3.3 on the number line. Which point could be the point Kailey graphed?

Revolt · Accepted Answer

C

Question 9

Which of the following terminating decimals is equivalent to ?

Revolt · Accepted Answer

–1.75

Question 10

A diver descends to a depth of –25.6 feet relative to sea level. How many feet must the diver ascend to reach sea level?

Revolt · Accepted Answer

25.6 feet

Rational Numbers Answers

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