Number Quizzes for Year 9 Mathematics Students

Question 1

Convert the fraction 7/8 into decimal form. Explain the steps you take to complete the conversion.

Accepted Answer

0.875

Answer

0.75

Answer

0.85

Answer

0.9

Question 2

Express 25% as a decimal.

Accepted Answer

0.25

Answer

0.025

Answer

2.5

Answer

25

Question 3

Simplify the fraction 12/18

Accepted Answer

2/3

Answer

4/6

Answer

6/9

Answer

8/12

Question 4

Which of the following is the largest number?

Accepted Answer

80%

Answer

0.8

Answer

4/5

Answer

0.75

Question 5

Calculate 3 + (-5)

Accepted Answer

-2

Answer

8

Answer

-8

Answer

2

Question 6

Which of the following numbers is the smallest?

Accepted Answer

-2

Answer

1

Answer

0

Answer

-1

Question 7

What is the opposite of 7?

Accepted Answer

-7

Answer

0

Answer

7

Answer

14

Question 8

Which of the following is an integer?

Accepted Answer

-3

Answer

0.5

Answer

1/2

Answer

π

Question 9

Evaluate the expression: -5 + 7

Accepted Answer

2

Answer

12

Answer

-2

Answer

-12

Question 10

Divide -18 by 6:

Accepted Answer

-3

Answer

0

Answer

3

Answer

6

Question 11

Arrange the numbers 5, -2, 1, and 0 in ascending order:

Accepted Answer

-2, 0, 1, 5

Answer

-2, 1, 0, 5

Answer

0, -2, 1, 5

Answer

0, 1, -2, 5

Question 12

Find the area of a rectangle with a length of 6 cm and a width of 4 cm

Accepted Answer

24 cm²

Answer

10 cm²

Answer

12 cm²

Answer

36 cm²

Question 13

Which of the following is a rational number?

Accepted Answer

0.5

Answer

√2

Answer

π

Answer

e

Question 14

Simplify the expression: (2²)³

Accepted Answer

64

Answer

8

Answer

16

Answer

32

Question 15

Which of the following is the smallest positive integer?

Accepted Answer

1

Answer

0

Answer

2

Answer

3

Question 16

Divide 24 by -4:

Accepted Answer

-6

Answer

-4

Answer

4

Answer

6

Question 17

What is 20% of 50?

Accepted Answer

10

Answer

5

Answer

15

Answer

20

Question 18

Identify the prime number among the following options:

Accepted Answer

13

Answer

10

Answer

12

Answer

15

Question 19

Calculate the mean (average) of the following numbers: 5, 7, 9, 11, 13

Accepted Answer

9

Answer

7

Answer

11

Answer

15

Question 20

Which of the following is the smallest positive whole number?

Accepted Answer

1

Answer

0

Answer

2

Answer

3

Question 21

Which of the following is the opposite of -4?

Accepted Answer

4

Answer

1/4

Answer

-4

Answer

4/1

Question 22

What is the greatest common factor of 9 and 12?

Accepted Answer

3

Answer

1

Answer

9

Answer

12

Question 23

What is the value of 50% + 25%?

Accepted Answer

75%

Answer

5%

Answer

25%

Answer

50%

Question 24

Which of the following numbers is the smallest?

Accepted Answer

-1 / 2

Answer

0.5

Answer

-0.5

Answer

1 / 2

Question 25

Calculate the square root of 49.

Accepted Answer

7

Answer

5

Answer

49

Answer

-7

Question 26

Which of the following is a rational number?

Accepted Answer

0.5

Answer

√2

Answer

π

Answer

e

Question 27

Which number is a decimal?

Accepted Answer

0.75

Answer

1/4

Answer

3/5

Answer

-2

Question 28

Which number is a percentage?

Accepted Answer

20%

Answer

0.5

Answer

1/5

Answer

-3

Question 29

What is the value of 50% of 200?

Accepted Answer

100

Answer

50

Answer

150

Answer

250

Question 30

Express the fraction one-half as a decimal.

Accepted Answer

0.5

Answer

0.2

Answer

0.75

Question 31

Determine which of the following is equivalent to 15%.

Accepted Answer

0.15

Answer

0.1

Answer

0.2

Question 32

Identify the prime number among the given options.

Accepted Answer

13

Answer

10

Answer

15

Question 33

Which of the following is an integer?

Accepted Answer

-5

Answer

0.75

Answer

1/2

Question 34

Which of the following is an irrational number?

Accepted Answer

√3

Answer

1/2

Answer

-5

Answer

0.75

Question 35

Which of the following is a rational number? A rational number can be expressed as a fraction of two integers.

Accepted Answer

3/4

Answer

√2

Answer

e

Answer

π

Question 36

Which of the following is an irrational number? An irrational number is a number that cannot be expressed as a fraction of two integers.

Accepted Answer

√2

Answer

-5

Answer

0.75

Answer

1/2

Question 37

Find the cube root of 27. The cube root of a number is the number that, when multiplied by itself three times, equals the original number.

Accepted Answer

3

Answer

5

Answer

4

Answer

2

Question 38

Which of the following is a property of integers? Integers are the set of positive and negative whole numbers together with zero.

Accepted Answer

They are closed under addition.

Answer

They are always positive.

Answer

They can be divided by any number.

Answer

They are rational numbers.

Question 39

Which of the following numbers is a prime number: a number that is divisible only by itself and 1?

Accepted Answer

17

Answer

25

Answer

20

Answer

12

Question 40

Convert the decimal 0.75 to a fraction in its simplest form.

Accepted Answer

3/4

Answer

1/3

Answer

1/2

Answer

2/3

Question 41

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

Accepted Answer

24

Answer

18

Answer

36

Answer

12

Question 42

Identify the perfect square from the following options:

Accepted Answer

16

Answer

12

Answer

20

Answer

18

Question 43

Which of the following numbers is a rational number?

Accepted Answer

2/3

Answer

√2

Answer

e

Answer

π

Question 44

Which of the following is equivalent to 0.75?

Accepted Answer

3/4

Answer

1/2

Answer

2/5

Answer

5/8

Question 45

Which option represents a percentage?

Accepted Answer

50%

Answer

0.5

Answer

5:10

Answer

1/2

Question 46

What is the smallest number that is a multiple of both 6 and 8?

Accepted Answer

24

Answer

32

Answer

12

Answer

16

Question 47

Which of these numbers is the smallest?

Accepted Answer

-5

Answer

-3

Answer

0

Answer

2

Question 48

What do you get when you divide 3/4 by 1/2?

Accepted Answer

3/2

Answer

1/2

Answer

2/3

Answer

3/8

Question 49

What is 0.75 as a fraction in its simplest form?

Accepted Answer

3/4

Answer

7/5

Answer

75/1000

Answer

75/10

Question 50

A recipe needs 2/3 cup of sugar. If you want to make half the recipe, how much sugar do you need?

Accepted Answer

1/3 cup

Answer

1/2 cup

Answer

1/4 cup

Answer

2/6 cup

Question 51

Which of these numbers is a prime number?

Accepted Answer

13

Answer

21

Answer

15

Answer

51

Question 52

What is the smallest number that is a multiple of both 6 and 9?

Accepted Answer

18

Answer

54

Answer

3

Answer

6

Question 53

What is the answer to 5 + 2 x 3 - 4 ÷ 2?

Accepted Answer

9

Answer

11

Answer

15

Answer

5

Question 54

What is the result of 3 squared plus 4 squared? (Remember, squaring a number means multiplying it by itself.)

Accepted Answer

25

Answer

49

Answer

7

Answer

14

Question 55

Which of these numbers is a prime number? (A prime number is a whole number greater than 1 that can only be divided evenly by 1 and itself.)

Accepted Answer

17

Answer

36

Answer

12

Answer

24

Question 56

Simplify the fraction 12/18 to its lowest terms.

Accepted Answer

2/3

Answer

6/9

Answer

1/3

Answer

3/2

Question 57

What is 25% of 120?

Accepted Answer

30

Answer

60

Answer

15

Answer

48

Question 58

Solve for *x* in the equation: 2*x* + 5 = 11

Accepted Answer

3

Answer

1

Answer

8

Answer

2

Question 59

What is the least common multiple (LCM) of 6 and 8? (The LCM is the smallest number that is a multiple of both 6 and 8.)

Accepted Answer

24

Answer

48

Answer

12

Answer

16

Question 60

A store is selling a shirt for £20 after a 20% discount. What was the original price of the shirt?

Accepted Answer

£25

Answer

£16

Answer

£30

Answer

£24

Question 61

Convert the fraction 3/4 to a decimal.

Accepted Answer

0.75

Answer

1.5

Answer

0.5

Answer

0.25

Question 62

What is the product of -5 and -3?

Accepted Answer

15

Answer

-8

Answer

-15

Question 63

A train travels at a speed of 60 miles per hour. How far will it travel in 2.5 hours?

Accepted Answer

150

Answer

75

Answer

120

Answer

240

Question 64

Which of these numbers is a prime number?

Accepted Answer

17

Answer

45

Answer

12

Answer

34