Decimals: Understanding and Representing Decimals for First Graders

Question 1

Let's add these two decimals: zero point two three plus zero point four five.

Accepted Answer

Zero point six eight

Answer

Zero point two eight

Answer

One point six eight

Question 2

Which fraction is equivalent to the decimal 0.75?

Accepted Answer

3/4

Answer

1/4

Answer

1/2

Question 3

Subtract 0.9 minus 0.45.

Accepted Answer

0.55

Answer

0.45

Answer

1.35

Question 4

Which number is equal to the fraction 1/4?

Accepted Answer

0.25

Answer

0.50

Answer

0.75

Answer

1.00

Question 5

Which decimal is larger, 0.25 or 0.3?

Accepted Answer

0.3

Answer

0.25

Question 6

Which of these decimals is the smallest?

Accepted Answer

0.05

Answer

0.1

Answer

0.2

Question 7

Which of these is NOT a decimal number?

Accepted Answer

1/2

Answer

0.5

Answer

50%

Answer

0.05

Question 8

What is the decimal equivalent of the fraction 1/5?

Accepted Answer

0.1

Answer

0.2

Answer

0.5

Answer

1.0

Question 9

What is the value of the digit '5' in the number '25.35'?

Accepted Answer

5 hundredths

Answer

5 ones

Answer

5 tenths

Answer

5 thousandths

Question 10

Which of these fractions is equivalent to the decimal '0.75'?

Accepted Answer

3/4

Answer

1/4

Answer

1/2

Answer

3/10

Question 11

A store sells apples for $0.50 each. If you buy 3 apples, how much will you pay?

Accepted Answer

$1.50

Answer

$1.00

Answer

$2.00

Answer

$2.50

Question 12

Which part of the whole does the shaded part of the number 0.5 represent?

Accepted Answer

One half

Answer

One fourth

Answer

One eighth

Answer

One tenth

Question 13

Which of these is NOT a decimal?

Accepted Answer

1/2

Answer

0.5

Answer

0.75

Answer

0.9

Question 14

What decimal is the same as the fraction 3 out of 4?

Accepted Answer

0.75

Answer

0.5

Answer

0.7

Answer

0.8

Question 15

Which decimal model shows the biggest number? _____.__ | _____.__ | _____.__

Accepted Answer

0.25 | 0.35 | 0.45

Answer

0.35 | 0.25 | 0.45

Answer

0.35 | 0.45 | 0.25

Answer

0.45 | 0.35 | 0.25

Question 16

Put these decimals in order from smallest to biggest: 0.1, 0.3, 0.2, 0.4

Accepted Answer

0.1, 0.2, 0.3, 0.4

Answer

0.2, 0.1, 0.3, 0.4

Answer

0.3, 0.1, 0.2, 0.4

Answer

0.4, 0.3, 0.2, 0.1

Question 17

What fraction is equal to 0.25?

Accepted Answer

1/4

Answer

1/5

Answer

1/10

Answer

1/2

Question 18

Which number completes the number sentence and makes it true? 0.3_ = 1/4

Accepted Answer

5

Answer

0

Answer

7

Answer

9

Question 19

What fraction is equal to the decimal 0.5?

Accepted Answer

1/2

Answer

2/5

Answer

1/4

Answer

3/8

Question 20

What is the next number in the sequence 0.89, ___, 0.91?

Accepted Answer

0.9

Answer

0.88

Answer

0.92

Question 21

Which of these decimals is closest to 0.5?

Accepted Answer

0.51

Answer

0.47

Question 22

What is the product of 0.5 and 0.6?

Accepted Answer

0.25

Answer

0.15

Answer

0.35

Question 23

Let's change the fraction 7/10 into a decimal. Which of these is the correct decimal?

Accepted Answer

0.7

Answer

7.1

Answer

0.1

Question 24

Which option correctly shows the difference between 0.1 and 0.01 using the place value of the digits?

Accepted Answer

0.1 has a 1 in the tenths place, and 0.01 has a 1 in the hundredths place.

Answer

0.1 is worth 10, and 0.01 is worth 1.

Answer

0.1 is bigger than 0.01 because it has a larger number after the decimal point.

Answer

0.01 is a fraction, while 0.1 is a whole number.

Question 25

Miss Smith is giving a 10% discount on your favorite toy that costs $0.50. How much money will you save?

Accepted Answer

$0.05

Answer

$5

Answer

$0.50

Answer

$0.005

Question 26

Use a decimal model to show the number 0.78. Describe how your model represents the value of 0.78.

Accepted Answer

Draw a model with 7 tenths squares and 8 hundredths squares.

Answer

Divide a rectangle into 10 equal parts and shade in 7 of them.

Answer

Create a number line from 0 to 1 and divide it into 10 equal parts.

Answer

Use a base-ten block with 7 flats and 8 rods.

Question 27

Which fraction is equivalent to the decimal number 0.5?

Accepted Answer

1/2

Answer

1/4

Answer

1/6

Answer

1/8

Question 28

Let's turn the fraction 1/2 into a decimal. When we divide 1 by 2, what decimal do we get?

Accepted Answer

0.5

Answer

0.2

Answer

1.5

Answer

2.0

Question 29

Which decimal is bigger: 0.6 or 0.8?

Accepted Answer

0.8

Answer

0.6

Question 30

What number is missing in the decimal 0.2_5?

Accepted Answer

5

Answer

0

Answer

7

Question 31

Which decimal is greater: 0.05 or 0.5?

Accepted Answer

0.5

Answer

0.05

Question 32

Which decimal is the largest?

Accepted Answer

0.6

Answer

0.2

Answer

0.4

Question 33

Which number is written as a decimal number?

Accepted Answer

0.5

Answer

1/2

Answer

3/4

Answer

1

Question 34

In the number 0.45, what does the underlined part represent?

Accepted Answer

4/100

Answer

4

Answer

4/10

Answer

4/1000

Question 35

What is the decimal form of the fraction 3/10?

Accepted Answer

0.3

Answer

0.03

Answer

3.0

Answer

0.003

Question 36

Which of these is true about the number 0.75?

Accepted Answer

It is greater than 0.5.

Answer

It is a whole number.

Answer

It is less than 0.5.

Answer

It is equal to 1.

Question 37

Which of these is NOT a decimal number?

Accepted Answer

06

Answer

0.6

Answer

0.09

Answer

1.5

Question 38

What is 3/5 as a decimal?

Accepted Answer

0.6

Answer

0.5

Answer

0.7

Answer

0.8

Question 39

What is the value of the decimal 0.007?

Accepted Answer

7/1000

Answer

7/10

Answer

7/100

Answer

7/10000

Question 40

Which number is closest to the sum of 0.34 and 0.56?

Accepted Answer

1

Answer

0.8

Answer

0.9

Answer

1.1

Question 41

A storybook has 10 chapters. If you have read 0.2 of the book, how many chapters have you read?

Accepted Answer

2

Answer

1

Answer

5

Answer

8

Question 42

Which of these is the largest decimal?

Accepted Answer

0.9

Answer

0.45

Answer

0.32

Answer

0.17

Question 43

What is the correct way to write the decimal number sixty-five hundredths?

Accepted Answer

0.65

Answer

0.065

Answer

6.5

Answer

65.0

Question 44

Which of these decimals is equal to one-half?

Accepted Answer

0.5

Answer

0.25

Answer

0.75

Question 45

What is the decimal form of the fraction 1 and 2/5?

Accepted Answer

1.25

Answer

1.2

Answer

1.4

Question 46

Which of these decimals is the smallest?

Accepted Answer

0.23

Answer

0.32

Answer

0.29

Question 47

Which of the following is a decimal number?

Accepted Answer

0.5

Answer

1/2

Answer

50%

Answer

25

Question 48

What is the value of the digit 7 in the number 2.75?

Accepted Answer

7/100

Answer

7/10

Answer

7/1000

Answer

7

Question 49

Solve for x: x + 0.5 = 1.2

Accepted Answer

0.7

Answer

0.5

Answer

1.2

Answer

1.7

Question 50

In the number 3.45, what does the digit 3 stand for?

Accepted Answer

30

Answer

3

Answer

300

Answer

3000

Question 51

What is 0.25 when written as a fraction?

Accepted Answer

1/4

Answer

2/8

Answer

4/16

Answer

8/32

Question 52

What is 1/5 written as a decimal?

Accepted Answer

0.1

Answer

0.2

Answer

0.5

Answer

1.0

Question 53

Which decimal represents the number one-half?

Accepted Answer

0.5

Answer

1.5

Answer

0.25

Question 54

What is the value of the digit 4 in the number 0.45?

Accepted Answer

40

Answer

4

Answer

400

Question 55

What is the missing digit in the decimal 0.2_?

Accepted Answer

5

Answer

0

Answer

8

Question 56

Which image shows the decimal 0.6 in a circle model?

Accepted Answer

[Image of a circle divided into 10 equal parts, with 6 parts shaded]

Answer

[Image of a rectangle divided into 10 equal parts, with 6 parts shaded]

Answer

[Image of a number line with the number 0.6 marked]

Question 57

Which of these numbers shows the fraction 5 out of 10 as a decimal?

Accepted Answer

0.5

Answer

5/10

Answer

5.0

Answer

50/100

Question 58

Which decimal number is larger: 0.4 or 0.6?

Accepted Answer

0.6

Answer

0.4

Answer

They are the same

Question 59

Which of the following is not a decimal number?

Accepted Answer

1/2

Answer

0.75

Answer

0.01

Answer

3.4

Question 60

Put these numbers in order from smallest to largest: 0.3, 0.5, 0.1

Accepted Answer

0.1, 0.3, 0.5

Answer

0.1, 0.5, 0.3

Answer

0.3, 0.1, 0.5

Answer

0.5, 0.1, 0.3

Question 61

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

Accepted Answer

0.3

Answer

0.03

Answer

3.0

Answer

30.0

Question 62

Which of the following is the best estimate for the length of a pencil in feet?

Accepted Answer

0.1 feet

Answer

0.01 feet

Answer

1 foot

Answer

10 feet

Question 63

Which of the following is equal to half of one?

Accepted Answer

50/100

Answer

10/2

Answer

5/2

Answer

25/10

Question 64

In the number 0.345, what is the value of the digit 3?

Accepted Answer

3/100

Answer

3/10

Answer

3/1000

Answer

3/10000