Master the Number System: Quizzes and Practice for Eighth Graders

Question 1

Convert the fraction 3/4 to a decimal.

Accepted Answer

0.75

Answer

0.5

Answer

0.25

Answer

1.5

Question 2

Which of the following is an irrational number?

Accepted Answer

Pi

Answer

0

Answer

1/2

Answer

10

Question 3

When 17 is divided by 5, what is the remainder?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 4

Which of the following is not considered an integer?

Accepted Answer

0.5

Answer

-5

Answer

0

Answer

10

Question 5

Which of the following is NOT a type of number in the number system studied in this unit?

Accepted Answer

Letter

Answer

Whole number

Answer

Decimal

Answer

Fraction

Question 6

Which of the following is equivalent to the fraction 3/4?

Accepted Answer

0.75

Answer

0.5

Answer

1.25

Answer

1.5

Question 7

Which of the following is a factor of 12?

Accepted Answer

2

Answer

5

Answer

7

Answer

9

Question 8

What is the absolute value of -10?

Accepted Answer

10

Answer

-10

Answer

0

Answer

20

Question 9

Which of the following is not a characteristic of a whole number?

Accepted Answer

Can be negative

Answer

Positive or zero

Answer

No decimal point

Answer

Can represent a quantity

Question 10

Which of the following numbers is divisible by both 3 and 4?

Accepted Answer

12

Answer

6

Answer

8

Answer

10

Question 11

Round the number 4.6789 to the nearest hundredth.

Accepted Answer

4.68

Answer

4.67

Answer

4.7

Answer

4.8

Question 12

Find the absolute value of -5.

Accepted Answer

5

Answer

0

Answer

1

Answer

10

Question 13

Which of the following is NOT a number type?

Accepted Answer

Letter

Answer

Whole number

Answer

Decimal

Answer

Fraction

Question 14

Which fraction is equivalent to 0.75?

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

2/3

Question 15

What is the absolute value of -15?

Accepted Answer

15

Answer

0

Answer

-15

Answer

30

Question 16

Which of the following is a rational number?

Accepted Answer

3/5

Answer

√2

Answer

π

Answer

e

Question 17

Which fraction is equivalent to the decimal 0.75?

Accepted Answer

3/4

Answer

1/2

Answer

1/3

Answer

2/5

Question 18

Identify the prime number among the given options.

Accepted Answer

13

Answer

10

Answer

16

Answer

20

Question 19

Find the least common multiple (LCM) of 6 and 8.

Accepted Answer

24

Answer

2

Answer

12

Answer

48

Question 20

Which of the following is NOT a type of number?

Accepted Answer

Letter

Answer

Whole number

Answer

Decimal

Answer

Fraction

Question 21

What is the value of 0.75 as a fraction?

Accepted Answer

3/4

Answer

5/8

Answer

1/2

Answer

1/4

Question 22

Which number is greater than -5?

Accepted Answer

-3

Answer

-7

Answer

-9

Answer

-11

Question 23

Determine the greatest common factor (GCF) of 12 and 18.

Accepted Answer

6

Answer

2

Answer

3

Answer

9

Question 24

Find the least common multiple (LCM) of 4 and 6.

Accepted Answer

12

Answer

8

Answer

10

Answer

14

Question 25

Evaluate 2⁴.

Accepted Answer

64

Answer

8

Answer

16

Answer

32

Question 26

Find the absolute value of the number -12.

Accepted Answer

12

Answer

-12

Answer

0

Answer

1

Question 27

What is the greatest common factor (GCF) of the numbers 12 and 18?

Accepted Answer

6

Answer

2

Answer

3

Answer

9

Question 28

Which of the given options represents an irrational number?

Accepted Answer

3.14

Answer

1/2

Answer

0.5

Answer

5

Question 29

Arrange the following numbers in order from least to greatest: -2, 0, 3, -1

Accepted Answer

-2, -1, 0, 3

Answer

-1, -2, 0, 3

Answer

0, -1, -2, 3

Answer

3, 0, -1, -2

Question 30

Which of the following is not a type of number?

Accepted Answer

Natural number

Answer

Decimal

Answer

Fraction

Answer

Integer

Question 31

Which number is equivalent to the fraction 1/2?

Accepted Answer

0.5

Answer

0.25

Answer

0.75

Answer

1.0

Question 32

Which of the following is a negative integer?

Accepted Answer

-5

Answer

0

Answer

5

Answer

10

Question 33

Which of the following numbers is divisible by 6?

Accepted Answer

12

Answer

7

Answer

17

Answer

23

Question 34

Which of the following is a prime number?

Accepted Answer

7

Answer

4

Answer

6

Answer

9

Question 35

Which of the following is NOT a whole number?

Accepted Answer

-0.5

Answer

0

Answer

6

Question 36

What is the greatest common factor (GCF) of 24 and 36?

Accepted Answer

12

Answer

6

Answer

4

Answer

8

Question 37

Express the number 0.00005 in scientific notation

Accepted Answer

5 × 10⁻⁵

Answer

5 × 10⁵

Answer

0.5 × 10⁴

Question 38

What is the mathematical representation of a number line?

Accepted Answer

A line with equally spaced marks representing numbers.

Answer

A circle with points representing numbers.

Answer

A table with rows and columns representing numbers.

Answer

A graph with axes representing numbers.

Question 39

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

24

Answer

2

Answer

4

Question 40

Which of the following is an integer?

Accepted Answer

-5

Answer

1/2

Answer

0.75

Answer

√2

Question 41

What is the opposite of -12?

Accepted Answer

12

Answer

-24

Answer

6

Answer

0

Question 42

Convert 2/3 to a decimal.

Accepted Answer

0.666...

Answer

0.333...

Answer

0.5

Answer

0.75

Question 43

Which of the following is a mixed number?

Accepted Answer

1 1/2

Answer

12/5

Answer

-3

Answer

0.5

Question 44

What is the smallest positive integer?

Accepted Answer

1

Answer

0

Answer

-1

Answer

2