Decimals: Understanding, Comparing, and Calculating

Question 1

A rectangular garden measures 3.5 meters in length and 2.7 meters in width. Calculate the area of the garden in square meters.

Accepted Answer

9.45 m²

Answer

6.3 m²

Answer

1.2 m²

Answer

7 m²

Question 2

What is the decimal equivalent of 75%?

Accepted Answer

0.75

Answer

0.075

Answer

7.5

Answer

750

Question 3

A rectangular garden is 3.45 meters long and 2.5 meters wide. What is the area of the garden?

Accepted Answer

8.625 square meters

Answer

5.95 square meters

Answer

11.15 square meters

Answer

4.95 square meters

Question 4

A rectangular garden measures 3.5 meters in length and 2.1 meters in width. What is the area of the garden?

Accepted Answer

7.35 m²

Answer

5.6 m²

Answer

73.5 m²

Answer

0.735 m²

Question 5

In the number 2.753, what is the value of the digit 5?

Accepted Answer

5 hundredths

Answer

5 tenths

Answer

5 thousandths

Answer

5 units

Question 6

Which decimal is the largest?

Accepted Answer

0.52

Answer

0.45

Answer

0.38

Answer

0.405

Question 7

Which mixed number is equivalent to the decimal 1.75?

Accepted Answer

1 3/4

Answer

1 1/2

Answer

1 1/4

Answer

1 2/5

Question 8

Which number is a decimal?

Accepted Answer

0.5

Answer

1/2

Answer

1/4

Answer

3/8

Question 9

What is 0.25 multiplied by 0.4?

Accepted Answer

0.1

Answer

0.01

Answer

1

Answer

10

Question 10

What fraction is equivalent to 0.75?

Accepted Answer

3/4

Answer

2/3

Answer

1/2

Answer

1/4

Question 11

Which of these is equal to half?

Accepted Answer

1/2

Answer

1/4

Answer

1/3

Answer

1/5

Question 12

Arrange these numbers from smallest to biggest: 0.15, 0.25, 0.3

Accepted Answer

0.15, 0.25, 0.3

Answer

0.25, 0.15, 0.3

Answer

0.3, 0.25, 0.15

Answer

0.15, 0.3, 0.25

Question 13

What is 0.85 written as words?

Accepted Answer

eighty-five hundredths

Answer

eighty-five tenths

Answer

eighty-five thousandths

Answer

eighty-five hundred

Question 14

Which decimal is the same as 2 and 3 tenths?

Accepted Answer

2.3

Answer

0.23

Answer

230

Answer

2.03

Question 15

Round the decimal 3.456 to the nearest tenth

Accepted Answer

3.5

Answer

3

Answer

3.4

Answer

4

Question 16

Which of the following is equivalent to 0.5?

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

1

Question 17

Order the following decimals from least to greatest: 0.7, 0.2, 0.9

Accepted Answer

0.2, 0.7, 0.9

Answer

0.9, 0.7, 0.2

Answer

0.2, 0.9, 0.7

Answer

0.7, 0.9, 0.2

Question 18

Multiply 0.4 by 10:

Accepted Answer

40

Answer

0.04

Answer

0.4

Answer

4

Question 19

Which fraction is equivalent to 0.25?

Accepted Answer

1/4

Answer

1/2

Answer

1/8

Answer

1/16

Question 20

Put these decimals in order from smallest to largest: 0.3, 0.15, 0.25, 0.1

Accepted Answer

0.1, 0.15, 0.25, 0.3

Answer

0.1, 0.15, 0.3, 0.25

Answer

0.15, 0.1, 0.25, 0.3

Answer

0.15, 0.25, 0.1, 0.3

Question 21

Multiply 0.25 by 4

Accepted Answer

0.5

Answer

0.25

Answer

1

Answer

1.5

Question 22

Choose the correct comparison: 0.6 and 0.60

Accepted Answer

They are equal

Answer

0.6 is greater

Answer

0.60 is greater

Answer

They cannot be compared

Question 23

Which of the following is the best estimate for the length of a pencil that measures 15 cm?

Accepted Answer

0.15 m

Answer

15 m

Answer

150 m

Answer

1500 m

Question 24

Which of the following represents a decimal number?

Accepted Answer

0.5

Answer

1/2

Answer

25%

Answer

3

Question 25

What is the result of multiplying 0.5 by 0.5?

Accepted Answer

0.25

Answer

0.50

Answer

1.00

Answer

2.00

Question 26

What is 1.25 minus 0.78?

Accepted Answer

0.57

Answer

0.47

Answer

0.67

Answer

0.77

Question 27

What is 0.45 multiplied by 0.8?

Accepted Answer

0.36

Answer

0.28

Answer

0.44

Answer

0.52

Question 28

Order these decimals from smallest to largest: 0.25, 0.3, 0.15, 0.4

Accepted Answer

0.15, 0.25, 0.3, 0.4

Answer

0.25, 0.15, 0.3, 0.4

Answer

0.3, 0.15, 0.25, 0.4

Answer

0.4, 0.3, 0.25, 0.15

Question 29

Which of these is a decimal greater than 1?

Accepted Answer

1.2

Answer

0.9

Answer

0.5

Answer

0.7

Question 30

What is the place value of the digit 5 in the number 2.35?

Accepted Answer

Hundredths

Answer

Tenths

Answer

Thousandths

Answer

Ones

Question 31

Which of these shows the mixed number 1 and 1/2 as a decimal?

Accepted Answer

1.5

Answer

1.2

Answer

2.5

Answer

3.5

Question 32

What is the decimal form of the fraction 1/10?

Accepted Answer

0.1

Answer

0.01

Answer

1.0

Answer

10.0

Question 33

Arrange these decimals in order from smallest to largest: 0.25, 0.3, 0.15, 0.4

Accepted Answer

0.15, 0.25, 0.3, 0.4

Answer

0.4, 0.3, 0.25, 0.15

Answer

0.25, 0.15, 0.3, 0.4

Answer

0.15, 0.3, 0.25, 0.4

Question 34

Calculate the sum of the decimals 0.5 and 0.25.

Accepted Answer

0.75

Answer

0.7

Answer

1.25

Answer

1.5

Question 35

Change the decimal 0.6 into a fraction.

Accepted Answer

6/10

Answer

1/6

Answer

1/10

Answer

3/5

Question 36

Which mixed number is the same as the decimal 1.5?

Accepted Answer

1 1/2

Answer

1 2/5

Answer

2 1/4

Answer

2 1/2

Question 37

We want to find the sum of 1.23 and 0.45. Which option gives us the correct answer?

Accepted Answer

1.68

Answer

1.58

Answer

1.78

Answer

1.88

Question 38

We need to find the difference between 2.5 and 1.34. Which expression below shows the correct way to do that?

Accepted Answer

2.5 - 1.34

Answer

1.34 - 2.5

Answer

2.5 + 1.34

Answer

1.34 + 2.5

Question 39

Let's multiply 0.75 and 0.8. Which option gives us the correct product?

Accepted Answer

0.65

Answer

0.55

Answer

0.60

Answer

0.70

Question 40

In the number 3.56, what is the place value of the digit 5?

Accepted Answer

Hundredths

Answer

Tenths

Answer

Thousandths

Answer

Ones

Question 41

We want to find the fraction that is equivalent to the decimal 0.35. Which option shows the correct equivalent fraction?

Accepted Answer

35/100

Answer

3/10

Answer

7/20

Answer

70/200

Question 42

Which of these is written as a decimal?

Accepted Answer

0.5

Answer

1/2

Answer

50%

Answer

1 : 2

Question 43

What is the product of 0.25 and 0.4?

Accepted Answer

0.1

Answer

0.05

Answer

0.15

Answer

0.2

Question 44

Change the fraction 3/5 to a decimal

Accepted Answer

0.5

Answer

0.3

Answer

0.6

Answer

0.7

Question 45

Round 0.456 to the nearest tenth

Accepted Answer

0.5

Answer

0.4

Answer

0.45

Answer

0.55

Question 46

A shop is offering a 20% discount on a backpack that originally costs £45. What will be the sale price of the backpack?

Accepted Answer

£36

Answer

£9

Answer

£18

Answer

£45

Question 47

Order the following decimals from smallest to largest: 0.25, 0.3, 0.4, 0.1

Accepted Answer

0.1, 0.25, 0.3, 0.4

Answer

0.1, 0.3, 0.25, 0.4

Answer

0.25, 0.1, 0.3, 0.4

Answer

0.4, 0.3, 0.25, 0.1

Question 48

What is the place value of the 3 in the decimal number 0.345?

Accepted Answer

Hundredths

Answer

Tenths

Answer

Thousandths

Answer

Ones

Question 49

Which of the following is equal to half?

Accepted Answer

0.5

Answer

5/2

Answer

2/5

Question 50

Arrange these decimals from smallest to largest: 0.25, 0.15, 0.35

Accepted Answer

0.15, 0.25, 0.35

Answer

0.35, 0.25, 0.15

Answer

0.25, 0.35, 0.15

Question 51

What is the fraction equivalent of the decimal 1.25?

Accepted Answer

5/4

Answer

3/4

Answer

2/5

Question 52

Which of the following decimals is the smallest?

Accepted Answer

0.01

Answer

0.1

Answer

0.15

Answer

0.05

Question 53

What is the value of the digit 5 in the decimal number 0.523?

Accepted Answer

Five hundredths

Answer

Fifty hundredths

Answer

Fifty thousandths

Answer

Five tenths

Question 54

Convert the fraction 3/4 to a decimal.

Accepted Answer

0.75

Answer

1.5

Answer

0.25

Answer

0.5

Question 55

Which of the following is equivalent to 0.8?

Accepted Answer

80%

Answer

8%

Answer

1/8

Answer

0.08

Question 56

Find the sum of 0.35 and 0.42.

Accepted Answer

0.77

Answer

0.87

Answer

0.57

Answer

0.13

Question 57

Which of the following decimals is closest to 1?

Accepted Answer

0.99

Answer

0.69

Answer

0.79

Answer

0.89

Question 58

Arrange these decimals from smallest to largest: 0.25, 0.3, 0.18, 0.21

Accepted Answer

0.18, 0.21, 0.25, 0.3

Answer

0.21, 0.18, 0.25, 0.3

Answer

0.18, 0.25, 0.21, 0.3

Answer

0.3, 0.25, 0.21, 0.18

Question 59

Multiply 0.6 by 0.4:

Accepted Answer

0.24

Answer

0.44

Answer

0.34

Answer

0.14

Question 60

Which fraction is equal to the decimal 0.75?

Accepted Answer

3/4

Answer

4/4

Answer

1/4

Answer

2/4

Question 61

Convert the fraction 3/10 to a decimal:

Accepted Answer

0.3

Answer

0.03

Answer

3.0

Answer

0.13

Question 62

What is the decimal equivalent of the fraction 3 out of 10?

Accepted Answer

0.3

Answer

0.13

Answer

0.03

Answer

3.0

Question 63

Arrange these decimals from smallest to largest: 0.25, 0.7, 0.1, 0.55

Accepted Answer

0.1, 0.25, 0.55, 0.7

Answer

0.1, 0.7, 0.25, 0.55

Answer

0.7, 0.55, 0.25, 0.1

Answer

0.55, 0.7, 0.25, 0.1

Question 64

Which decimal is greater than 0.5 but less than 0.6?

Accepted Answer

0.55

Answer

0.4

Answer

0.7

Answer

0.3