Decimals: Understanding and Using Decimals in Math

Question 1

Which decimal is greater: 0.45 or 0.54?

Accepted Answer

0.54

Answer

0.45

Answer

They are equal

Answer

Cannot be determined

Question 2

Which decimal is equivalent to the fraction 3/4?

Accepted Answer

0.75

Answer

0.5

Answer

0.25

Answer

0.125

Question 3

Annie has $2.35 in her piggy bank. Her mom gives her $4.67 more. How much money does Annie have now?

Accepted Answer

$7.02

Answer

$6.02

Answer

$8.02

Question 4

Apples cost $0.50 per pound at the market. If you buy 2.75 pounds of apples, how much will you pay?

Accepted Answer

$1.37

Answer

$1.25

Answer

$1.50

Answer

$2.00

Question 5

What is the value of the number 6 in the decimal 0.67?

Accepted Answer

6/100

Answer

6/1

Answer

6/10

Answer

6/1000

Question 6

Subtract 0.15 from 0.5.

Accepted Answer

0.35

Answer

0.25

Answer

0.45

Answer

0.55

Question 7

Which is greater: 0.3 or 0.4?

Accepted Answer

0.4

Answer

0.3

Answer

They are the same

Question 8

Round the decimal 0.47 to the nearest tenth.

Accepted Answer

0.5

Answer

0.4

Answer

0.6

Answer

0.7

Question 9

Which decimal is equal to 0.3?

Accepted Answer

0.300

Answer

30

Answer

3

Answer

0.03

Question 10

What is 0.6 minus 0.2?

Accepted Answer

0.4

Answer

0.8

Answer

0.2

Answer

0.6

Question 11

What is the decimal equivalent of the fraction 1/2?

Accepted Answer

0.5

Answer

0.2

Answer

0.8

Answer

1.0

Question 12

Which of these numbers is bigger than 0.45?

Accepted Answer

0.55

Answer

0.35

Answer

0.4

Answer

0.5

Question 13

Which of these is NOT a decimal?

Accepted Answer

1/2

Answer

0.25

Answer

0.7

Answer

0.99

Question 14

Put these decimals in order from smallest to largest: 0.3, 0.7, 0.1

Accepted Answer

0.1, 0.3, 0.7

Answer

0.7, 0.3, 0.1

Answer

0.1, 0.7, 0.3

Answer

0.3, 0.1, 0.7

Question 15

What place value is the underlined digit in the number 0.275?

Accepted Answer

Hundredths

Answer

Tenths

Answer

Thousandths

Answer

Ones

Question 16

Which decimal is bigger: 0.67 or 0.7?

Accepted Answer

0.7

Answer

0.67

Answer

They are the same

Question 17

Write 0.8 as a percentage.

Accepted Answer

80%

Answer

8%

Answer

800%

Answer

8000%

Question 18

In the number 0.57, what is the place value of the digit 5?

Accepted Answer

0.05

Answer

0.5

Answer

5

Answer

50

Question 19

Which of these is the greatest?

Accepted Answer

0.52

Answer

0.25

Answer

0.48

Answer

0.39

Question 20

What is the decimal form of the mixed number 1 1/4?

Accepted Answer

1.25

Answer

1.4

Answer

1.5

Answer

1.75

Question 21

Which of these decimals is between 0.6 and 0.7?

Accepted Answer

0.62

Answer

0.59

Answer

0.68

Answer

0.72

Question 22

Let's round the decimal 0.347. Round it to the nearest tenth and hundredth.

Accepted Answer

0.3 and 0.35

Answer

0.3 and 0.34

Answer

0.4 and 0.35

Answer

0.4 and 0.34

Question 23

What is the decimal form of the fraction 25/100?

Accepted Answer

0.25

Answer

0.5

Answer

1.25

Answer

2.5

Question 24

Which number is greater, 0.3 or 0.4?

Accepted Answer

0.4

Answer

0.3

Answer

They are equal

Answer

Cannot be determined

Question 25

Which decimal is equivalent to the fraction 1/2?

Accepted Answer

0.5

Answer

0.125

Answer

0.25

Answer

0.75

Question 26

Which of these is not a decimal?

Accepted Answer

One-fourth

Answer

0.25

Answer

3/8

Answer

5.1

Question 27

Which fraction is the same as the decimal 0.375?

Accepted Answer

3/8

Answer

1/4

Answer

1/2

Answer

3/4

Question 28

What is another way to write the decimal 0.56 as a fraction?

Accepted Answer

56/100

Answer

56/10

Answer

0.056

Answer

5.6

Question 29

You have $10. You buy a book that costs $8.25. How much money do you have left?

Accepted Answer

$1.75

Answer

$2.75

Answer

$8.25

Answer

$18.25

Question 30

Which option shows the expanded form of the decimal 0.123?

Accepted Answer

1 tenth + 2 hundredths + 3 thousandths

Answer

1 tenth + 2 tenths + 3 hundredths

Answer

10 ones + 2 hundredths + 3 hundredths

Answer

1 hundredth + 2 hundredths + 3 thousandths

Question 31

Which number is bigger than 0.55 but smaller than 0.6?

Accepted Answer

0.58

Answer

0.45

Answer

0.72

Question 32

Which number is greater: 0.4 or 0.40?

Accepted Answer

0.40

Answer

0.4

Question 33

You have a rectangular garden that is 15.75 feet long and 10.25 feet wide. How many feet of fencing do you need to put around the garden?

Accepted Answer

52 feet

Answer

26 feet

Answer

5.2 feet

Question 34

What can we use decimals for when measuring time?

Accepted Answer

Dividing hours and minutes into smaller parts

Answer

Measuring seconds only

Answer

Decimals are not used in measuring time

Question 35

Which decimal is equivalent to the fraction three-tenths?

Accepted Answer

0.3

Answer

0.03

Answer

3.0

Answer

30.0

Question 36

Arrange these decimals from smallest to largest: 0.25, 0.15, 0.35, 0.05

Accepted Answer

0.05, 0.15, 0.25, 0.35

Answer

0.35, 0.25, 0.15, 0.05

Answer

0.05, 0.35, 0.25, 0.15

Answer

0.15, 0.05, 0.35, 0.25

Question 37

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

Accepted Answer

0.05

Answer

5

Answer

0.5

Answer

0.005

Question 38

Compare the decimals 0.4 and 0.40. Which is greater?

Accepted Answer

They are equal

Answer

0.4

Answer

0.40

Answer

Cannot be determined

Question 39

Which number below is equal to half?

Accepted Answer

0.5

Answer

0.75

Answer

0.15

Answer

0.25

Question 40

Which decimal is between 0.3 and 0.4?

Accepted Answer

0.35

Answer

0.25

Answer

0.55

Answer

0.45

Question 41

Arrange these decimals in order from smallest to largest: 0.12, 0.2, 0.18, 0.25

Accepted Answer

0.12, 0.18, 0.2, 0.25

Answer

0.18, 0.25, 0.12, 0.2

Answer

0.25, 0.2, 0.18, 0.12

Question 42

Which expression is equal to 0.7?

Accepted Answer

7 tenths

Answer

7 hundredths

Answer

7 units

Answer

7 thousandths

Question 43

Which of the following numbers is equivalent to 0.4?

Accepted Answer

0.400

Answer

0.35

Answer

0.65

Answer

0.55

Question 44

Which number represents three and five tenths in decimal form?

Accepted Answer

3.5

Answer

3.05

Answer

0.35

Answer

35

Question 45

Which of the following decimals is greater than 0.4 but less than 0.5?

Accepted Answer

0.45

Answer

0.35

Answer

0.55

Answer

0.65

Question 46

What is the value of: 2.4 x 0.5?

Accepted Answer

1.2

Answer

1.4

Answer

1.0

Question 47

Which decimal is closest to 0.75?

Accepted Answer

0.76

Answer

0.72

Answer

0.80

Answer

0.68

Question 48

When we round the decimal 0.489 to the nearest tenth, what do we get?

Accepted Answer

0.5

Answer

0.7

Answer

0.6

Answer

0.4

Question 49

What is the value of the digit 5 in the decimal number 45.678?

Accepted Answer

Five hundredths

Answer

Fifty

Answer

Five thousand

Answer

Five

Question 50

Find the decimal equivalent of the shaded part of the figure below:

[Image of a square divided into 100 smaller squares, with 25 of them shaded in]

Accepted Answer

0.25

Answer

0.35

Answer

0.15

Question 51

Add the decimals: 0.23 + 0.45.
(A) 0.68
(B) 0.58
(C) 0.86
(D) 0.78

Accepted Answer

(A)

Answer

(B)

Answer

(C)

Answer

(D)

Question 52

Which decimal is closest to 0?
(A) 0.09
(B) 0.19
(C) 0.29
(D) 0.39

Accepted Answer

(A)

Answer

(C)

Answer

(D)

Answer

(B)

Question 53

What is 0.75 - 0.28?

Accepted Answer

0.47

Answer

0.53

Answer

0.43

Answer

0.57

Question 54

Which decimal number is bigger: 0.23 or 0.24?

Accepted Answer

0.24

Answer

They are the same

Answer

0.23

Answer

We can't tell

Question 55

What do you get when you take away 0.45 from 0.8?

Accepted Answer

0.35

Answer

0.45

Answer

0.25

Answer

0.55

Question 56

Can you find the decimal number between 0.4 and 0.5?

Accepted Answer

0.45

Answer

0.65

Answer

0.35

Answer

0.55

Question 57

What is the value of the digit '2' in the decimal 3.25?

Accepted Answer

Two tenths

Answer

Two hundredths

Answer

Two ones

Question 58

Which decimal is the smallest?

Accepted Answer

0.15

Answer

0.35

Answer

0.2

Answer

0.5

Question 59

What is 0.4 + 0.3?

Accepted Answer

0.7

Answer

0.12

Answer

0.1

Answer

1.0

Question 60

What is 0.8 - 0.2?

Accepted Answer

0.6

Answer

0.06

Answer

1.0

Answer

0.1

Question 61

Which picture represents the decimal 0.6?

Accepted Answer

A picture with 6 out of 10 squares shaded

Answer

A picture with 6 out of 20 squares shaded

Answer

A picture with 6 out of 100 squares shaded

Answer

A picture with 6 out of 5 squares shaded

Question 62

What is the decimal form of 3/10?

Accepted Answer

0.3

Answer

3.10

Answer

0.03

Answer

0.13

Question 63

Which decimal represents one-half?

Accepted Answer

0.5

Answer

0.75

Answer

0.25

Answer

0.1

Question 64

Sarah has 0.75 meters of ribbon. She uses 0.25 meters to tie a gift. How much ribbon does she have left?

Accepted Answer

0.5 meters

Answer

0.1 meters

Answer

1.0 meters

Answer

0.25 meters