Multiplying and Dividing Decimals: Interactive Quizzes and Practice

Question 1

Express 0.75 as a decimal.

Accepted Answer

7/10

Answer

3/10

Answer

3/4

Answer

7/4

Question 2

Emma has a piece of ribbon that is 1.8 metres long. She cuts it into pieces that are each 0.3 metres long. To find the number of pieces, she should divide 1.8 by:

Accepted Answer

0.3

Answer

3

Answer

30

Question 3

Which of the following is the greatest number?

Accepted Answer

0.30

Answer

0.15

Answer

0.20

Answer

0.25

Question 4

A rectangular garden has a length of 5.2 metres and a width of 3.8 metres. To find the perimeter of the garden, we need to:

Accepted Answer

Multiply the sum of length and width by 2

Answer

Multiply the length and width

Answer

Add the length and width

Question 5

Which list shows the following decimals in order from smallest to largest: 0.08, 0.1, 0.8, 0.01

Accepted Answer

0.01, 0.08, 0.1, 0.8

Answer

0.08, 0.01, 0.1, 0.8

Answer

0.1, 0.08, 0.01, 0.8

Answer

0.8, 0.1, 0.08, 0.01

Question 6

What is the quotient of 0.6 divided by 0.2?

Accepted Answer

3

Answer

0.2

Answer

0.3

Answer

30

Question 7

Arrange 0.08, 0.15, and 0.2 in increasing order:

Accepted Answer

0.08, 0.15, 0.2

Answer

0.2, 0.15, 0.08

Answer

0.15, 0.08, 0.2

Answer

0.15, 0.2, 0.08

Question 8

Which of the following is NOT a decimal?

Accepted Answer

1/2

Answer

0.5

Answer

0.25

Answer

1.2

Question 9

When multiplying two numbers, you round them to the nearest whole number. How will this rounding most likely affect the answer?

Accepted Answer

The answer will be less accurate.

Answer

The answer will be more accurate.

Answer

The answer will not be affected.

Answer

The answer will be more accurate if the numbers are rounded up.

Question 10

What is 0.3 multiplied by 0.6?

Accepted Answer

0.18

Answer

0.018

Answer

1.8

Answer

18

Question 11

Convert the decimal 0.75 to a fraction.

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

1/8

Question 12

What is the value of 2.4 x 10?

Accepted Answer

240

Answer

0.24

Answer

2.4

Answer

24

Question 13

A bag of sweets weighs 0.2 kilograms. How many bags of sweets are there in 1.2 kilograms of sweets?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 14

Which of the following is an incorrect operation?

Accepted Answer

0.75 ÷ 0.25 = 3

Answer

0.5 × 10 = 5

Answer

1.25 ÷ 5 = 0.25

Answer

0.8 ÷ 2 = 0.4

Question 15

A farmer has 2.5 hectares of land. He wants to divide the land equally among his 4 children. How many hectares of land will each child receive?

Accepted Answer

0.625 hectares

Answer

0.5 hectares

Answer

1.25 hectares

Answer

2.5 hectares

Question 16

Which of the following is an incorrect method for multiplying decimals?

Accepted Answer

Rounding to the nearest whole number

Answer

Long multiplication

Answer

Short multiplication

Answer

Using a calculator

Question 17

Which of the following is the correct way to represent the division of 5.4 by 0.2?

Accepted Answer

5.4 ÷ 0.2

Answer

5.4 ÷ 2

Answer

2 ÷ 5.4

Answer

0.2 ÷ 5.4

Question 18

What is 0.32 multiplied by 0.15?

Accepted Answer

0.048

Answer

0.05

Answer

0.47

Answer

0.48

Question 19

A car travels 124.5 kilometers in 3.5 hours. Determine the average speed of the car in kilometers per hour.

Accepted Answer

35.57 kilometers per hour

Answer

34.57 kilometers per hour

Answer

35.67 kilometers per hour

Answer

36.57 kilometers per hour

Question 20

A school has 245 students, who are divided into 5 equal groups. Determine the number of students in each group.

Accepted Answer

49 students

Answer

47 students

Answer

50 students

Answer

48 students

Question 21

Calculate the area of a rectangle with a length of 3.2 cm and a width of 0.8 cm.

Accepted Answer

2.56 cm²

Answer

25.6 cm²

Answer

0.0256 cm²

Answer

0.256 cm²

Question 22

Estimate the product of 0.65 and 0.48.

Accepted Answer

0.3

Answer

0.003

Answer

3

Answer

0.03

Question 23

Convert 3/5 to a decimal.

Accepted Answer

0.6

Answer

0.5

Answer

6

Answer

0.06

Question 24

A rectangular garden has a length of 4.2 m and a width of 3.6 m. Calculate the perimeter of the garden.

Accepted Answer

15.6 m

Answer

7.8 m

Answer

156 m

Answer

1.56 m

Question 25

What is 0.5 multiplied by 0.2?

Accepted Answer

0.1

Answer

0.05

Answer

1.0

Answer

0.8

Question 26

A car travels 120 miles using 6 gallons of petrol.  How many miles does the car travel per gallon?

Accepted Answer

20

Answer

30

Answer

40

Answer

10

Question 27

What is 0.6 divided by 0.3?

Accepted Answer

2

Answer

0.2

Answer

20

Answer

0.02

Question 28

Round 0.666 to the nearest hundredth.

Accepted Answer

0.67

Answer

0.66

Answer

0.68

Answer

0.7

Question 29

A rectangular garden is 3.5 metres long and 2.2 metres wide. What is the perimeter of the garden?

Accepted Answer

11.4

Answer

9.7

Answer

5.7

Answer

7.7

Question 30

Which of these numbers is the smallest?

Accepted Answer

0.123

Answer

0.213

Answer

0.132

Answer

0.321

Question 31

What is 3.45 multiplied by 0.2?

Accepted Answer

0.69

Answer

0.70

Answer

0.72

Answer

0.68

Question 32

What is 5.6 divided by 0.8, rounded to the nearest hundredth?

Accepted Answer

7.00

Answer

7.02

Answer

7.01

Answer

6.99

Question 33

A farmer has 12.5 acres of land. He plants corn on 0.75 of his land. How many acres are used for corn?

Accepted Answer

9.375

Answer

9.5

Answer

9.75

Answer

9.25

Question 34

What is 2.4 divided by 0.6?

Accepted Answer

4

Answer

3.6

Answer

5

Answer

4.6

Question 35

Which of the following has the greatest value?

Accepted Answer

0.85

Answer

0.65

Answer

0.58

Answer

0.75

Question 36

What is the product of 3.5 and 2.4?

Accepted Answer

8.4

Answer

5.9

Answer

7.9

Answer

6.9

Question 37

A baker has 12.5 kg of flour. She uses 2.5 kg of flour for each loaf of bread. How many loaves of bread can she bake?

Accepted Answer

5

Answer

4

Answer

7

Answer

6

Question 38

Calculate: 0.75 ÷ 0.25

Accepted Answer

3

Answer

0.75

Answer

1.5

Answer

0.3

Question 39

Which of the following is equivalent to 2.5 × 10?

Accepted Answer

25

Answer

250

Answer

0.25

Answer

2.5

Question 40

A rectangular garden is 10.5 metres long and 6.2 metres wide. What is its area?

Accepted Answer

65.1 square metres

Answer

105.6 square metres

Answer

16.7 square metres

Answer

33 square metres

Question 41

What is the result of dividing 15.6 by 4?

Accepted Answer

3.9

Answer

0.39

Answer

39

Answer

3.6

Question 42

A piece of ribbon is 1.8 metres long. If you cut it into pieces that are each 0.3 metres long, how many pieces will you have?

Accepted Answer

6

Answer

9

Answer

3

Answer

5

Question 43

Which of the following is equivalent to 0.4 × 0.5?

Accepted Answer

0.2

Answer

0.9

Answer

2

Answer

20

Question 44

A group of friends shared a pizza that cost £12.50 equally. If there were 5 friends, how much did each person pay?

Accepted Answer

£2.50

Answer

£25

Answer

£1.50

Answer

£6.25

Question 45

What is the value of 1.25 + 0.75 × 2?

Accepted Answer

2.75

Answer

4

Answer

3

Answer

1.5

Question 46

What is the product of 3.2 and 1.5?

Accepted Answer

4.8

Answer

3.8

Answer

4.2

Answer

5.1

Question 47

A baker uses 0.75 kg of flour to make a cake. How much flour does he need to make 4 cakes?

Accepted Answer

3 kg

Answer

3.5 kg

Answer

2.25 kg

Answer

4.5 kg

Question 48

Calculate: 12.6 ÷ 0.3

Accepted Answer

42

Answer

37.8

Answer

3.78

Answer

12.3

Question 49

A piece of ribbon is 2.5 meters long. It is cut into 5 equal pieces. What is the length of each piece?

Accepted Answer

0.5 meters

Answer

1.25 meters

Answer

1.5 meters

Answer

5 meters

Question 50

Which of the following is equivalent to 0.25?

Accepted Answer

1/4

Answer

1/2

Answer

1/5

Answer

1/3

Question 51

What is the value of 0.4 × 0.5?

Accepted Answer

0.2

Answer

0.02

Answer

2

Answer

20

Question 52

Divide 1.6 by 0.4.

Accepted Answer

4

Answer

40

Answer

0.04

Answer

0.4

Question 53

A shop sells apples for £1.25 per kilogram. How much will 3.5 kg of apples cost?

Accepted Answer

£4.38

Answer

£4.13

Answer

£3.75

Answer

£5.00

Question 54

A rectangular garden has a length of 7.2 meters and a width of 4.5 meters. What is the area of the garden?

Accepted Answer

32.4 square meters

Answer

16.2 square meters

Answer

36.0 square meters

Answer

11.7 square meters

Question 55

Sarah has 5.4 meters of fabric. She cuts it into pieces that are each 0.9 meters long. How many pieces does she have?

Accepted Answer

6 pieces

Answer

4 pieces

Answer

5 pieces

Answer

7 pieces