AnswersDAEP - Math 7 A 20 DAY TERMFinding an Original Amount

Rational Numbers Answers

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The diameter of a regulation soccer ball is about inches. This number was graphed on a number line. Which point could be the point representing the graph of the diameter of the ball?

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A
B
B
C
C
D
D
2
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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?

Question illustration
A
Negative 21.ModifyingAbove 4 with bar
Option A
B
Negative 21.ModifyingAbove 3 with bar
Option B
C
Negative 20.75
Option C
D
Negative 20.34
Option D
3

Which of the following terminating decimals is equivalent to ?

Question illustration
A
0.250
B
0.375
C
0.380
D
0.830
4

Renaldo will write as a decimal. Which of the following methods should he use?

Question illustration
A
Multiply the fraction by to get a denominator of 100 and then write the numerator as hundredths using a decimal point.
Option A
B
Multiply the fraction by to get a denominator of 100 and then write the numerator as hundredths using a decimal point.
Option B
C
Multiply the fraction by to get a numerator of 100 and then write the denominator as hundredths using a decimal point.
Option C
D
Multiply the fraction by 33.3 to get a numerator of 100 and then write the denominator as hundredths using a decimal point.
5

Which of the following terminating decimals is equivalent to ?

Question illustration
A
–1.75
B
–0.75
C
0.75
D
1.75
6

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?

Question illustration
A
The screens have the same width.
B
Screen A is wider, because .
Option B
C
Screen B is wider, because .
Option C
D
Screen B is wider, because .
Option D
7

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?

A
0.6 feet
B
25 feet
C
25.6 feet
D
256 feet
8

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

Question illustration
A
2.13
Option A
B
2.3
Option B
C
2.ModifyingAbove 3 with bar
Option C
D
3.2
Option D
9

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

A
Holly is correct. Repeating decimals are always rational numbers.
B
Holly is correct. The number is positive and all positive numbers are rational.
C
Holly is incorrect. The decimal does not terminate, so it cannot be a rational number.
D
Holly is incorrect. The decimal part follows a pattern but does not actually repeat.
10

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

Question illustration
A
A
B
B
C
C
D
D

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Rational Numbers Answers — DAEP - Math 7 A 20…