Master Decimal Operations: Addition, Subtraction, Multiplication, and Division

Question 1

Subtract 7.34 from 12.5. What is the difference between these two numbers?

Accepted Answer

5.26

Answer

526

Answer

0.526

Answer

52.6

Question 2

Divide 6.4 by 0.8. What is the quotient of this division?

Accepted Answer

8

Answer

0.8

Answer

80

Answer

0.08

Question 3

Find the product of 0.65 and 0.23.

Accepted Answer

0.1495

Answer

14.95

Answer

0.01495

Answer

1.495

Question 4

Round 3.456 to the nearest hundredth.

Accepted Answer

3.50

Answer

3.45

Answer

3.46

Answer

4.00

Question 5

Convert the fraction 3/8 to a decimal.

Accepted Answer

0.375

Answer

0.25

Answer

0.5

Answer

0.75

Question 6

Divide 0.84 by 0.07 to the nearest hundredth.

Accepted Answer

1.2

Answer

0.012

Answer

12

Answer

120

Question 7

Find the product of 0.25 and 4:

Accepted Answer

1.00

Answer

1.50

Answer

0.50

Answer

2.00

Question 8

Express 0.56 in expanded form.

Accepted Answer

5 tenths + 6 hundredths

Answer

5 + 6 hundredths

Answer

5 + 6 tenths

Answer

56 hundredths

Question 9

Estimate the sum of 0.234 and 0.568 to the nearest tenth.

Accepted Answer

1.0

Answer

0.8

Answer

0.9

Answer

1.1

Question 10

Divide 0.64 by 0.08.

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 11

Find the sum of 12.34 and 5.67.

Accepted Answer

18.01

Answer

17.01

Answer

19.01

Answer

20.01

Question 12

Order the following decimals from least to greatest: 0.25, 0.18, 0.3, 0.12

Accepted Answer

0.12, 0.18, 0.25, 0.3

Answer

0.18, 0.12, 0.25, 0.3

Answer

0.12, 0.18, 0.3, 0.25

Answer

0.18, 0.12, 0.3, 0.25

Question 13

Which of the following is the result of dividing 24.6 by 0.6?

Accepted Answer

41

Answer

21

Answer

31

Answer

51

Question 14

Calculate the product of 0.25 and 0.4. Ensure correct placement of the decimal point.

Accepted Answer

0.1

Answer

0.01

Answer

10

Answer

1

Question 15

Which of the following decimals is between 0.5 and 0.6?

Accepted Answer

0.58

Answer

0.68

Answer

0.38

Answer

0.48

Question 16

Arrange the decimals 0.32, 0.23, 0.41, and 0.15 in ascending order (from least to greatest).

Accepted Answer

0.15, 0.23, 0.32, 0.41

Answer

0.15, 0.41, 0.23, 0.32

Answer

0.23, 0.15, 0.32, 0.41

Answer

0.41, 0.32, 0.23, 0.15

Question 17

Which of the following is equivalent to 0.75?

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

2/3

Question 18

Estimate the sum of 2.45 and 1.78 by rounding each number to the nearest whole number. What is the estimated sum?

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 19

Add 3.25 and 12.8. What is the sum?

Accepted Answer

16.05

Answer

160.5

Answer

15.05

Answer

4.53

Question 20

Subtract 0.87 from 2.5. What is the difference?

Accepted Answer

1.63

Answer

1.73

Answer

3.37

Answer

2.37

Question 21

What is the product of 5.6 and 0.2?

Accepted Answer

1.12

Answer

11.2

Answer

0.112

Answer

112

Question 22

Divide 4.8 by 0.6. What is the quotient?

Accepted Answer

8

Answer

4.2

Answer

0.8

Answer

80

Question 23

Solve the following expression: 10² - 4.5 x 2

Accepted Answer

91

Answer

11

Answer

99

Answer

182

Question 24

Convert the fraction 3/5 to a decimal.

Accepted Answer

0.6

Answer

0.7

Answer

0.5

Answer

0.4

Question 25

Identify the smallest number from the following options: 0.05, 0.5, 0.005, 0.505.

Accepted Answer

0.005

Answer

0.5

Answer

0.505

Answer

0.05

Question 26

A rectangular garden measures 4.2 meters in length and 2.8 meters in width. Calculate the perimeter of this garden.

Accepted Answer

14 meters

Answer

11.2 meters

Answer

7 meters

Answer

23.2 meters

Question 27

A baker requires 0.75 cups of flour for a single batch of cookies. Determine the amount of flour needed for 3 batches.

Accepted Answer

2.25 cups

Answer

2.00 cups

Answer

1.75 cups

Question 28

Find the difference between 12.34 and 5.67.

Accepted Answer

6.67

Answer

7.01

Answer

6.77

Answer

17.01

Question 29

A ribbon initially measures 10.5 centimeters. After cutting off 3.25 centimeters, what length of ribbon remains?

Accepted Answer

7.25 centimeters

Answer

10.25 centimeters

Answer

13.75 centimeters

Answer

7.75 centimeters

Question 30

A rectangle with a length of 3.5 meters and a width of 2.2 meters. Determine its area.

Accepted Answer

7.7 square meters

Answer

5.7 square meters

Answer

3.5 square meters

Answer

11.0 square meters

Question 31

Divide 12.6 by 3.

Accepted Answer

4.2

Answer

3.8

Answer

4.0

Answer

4.8

Question 32

A group of friends share 15.6 pounds of candy equally. If there are 4 friends, how much candy does each friend receive?

Accepted Answer

3.9 pounds

Answer

3.4 pounds

Answer

4.0 pounds

Answer

4.4 pounds

Question 33

What is the sum of 0.3, 0.15, and 2.55?

Accepted Answer

3.00

Answer

3.50

Answer

3.10

Answer

2.90

Question 34

Estimate the product of 4.8 and 2.1.

Accepted Answer

10

Answer

1

Answer

20

Answer

5

Question 35

Which of the following is the decimal equivalent of 3/4?

Accepted Answer

0.75

Answer

1.25

Answer

0.50

Answer

0.25

Question 36

Find the sum of 0.45 + 0.37:

Accepted Answer

0.82

Answer

0.72

Answer

0.62

Answer

0.92

Question 37

Subtract 0.26 from 0.84:

Accepted Answer

0.58

Answer

0.48

Answer

0.68

Answer

0.38

Question 38

Divide 0.64 by 0.08:

Accepted Answer

8

Answer

9

Answer

6

Answer

7

Question 39

Estimate the sum of 0.234 and 0.456 to the nearest tenth:

Accepted Answer

0.7

Answer

0.9

Answer

0.6

Answer

0.8

Question 40

Round 0.789 to the nearest hundredth:

Accepted Answer

0.79

Answer

0.80

Answer

0.81

Answer

0.78

Question 41

Compare 0.45 and 0.437:

Accepted Answer

0.45 > 0.437

Answer

0.45 = 0.437

Answer

0.45 < 0.437

Question 42

Identify the place value of the underlined digit in the number 0.625:

Accepted Answer

Hundredths

Answer

Thousandths

Answer

Tenths

Answer

Ones

Question 43

Which of the following is equivalent to 0.25 as a fraction?

Accepted Answer

1/4

Answer

1/8

Answer

1/10

Answer

1/2

Question 44

Solve for x: x + 0.12 = 0.35

Accepted Answer

0.23

Answer

0.13

Answer

0.33

Answer

0.43