Quiz about Multiplying Decimals by Decimals

Question 1

$$45678.9\ imes\ 0.1\ =$$

Accepted Answer

4567.89

Answer

456.789

Answer

45.6789

Answer

4.56789

Question 2

$$45678.9\ imes\ 0.01\ =$$

Accepted Answer

456.789

Answer

4567.89

Answer

45.6789

Answer

4.56789

Question 3

$$45678.9\ imes\ 0.001\ =$$

Accepted Answer

45.6789

Answer

4567.89

Answer

456.789

Answer

4.56789

Question 4

$$4567.89\ imes\ 0.1\ =$$

Accepted Answer

456.789

Answer

4567.89

Answer

45.6789

Answer

4.56789

Question 5

$$4567.89\ imes\ 0.01\ =$$

Accepted Answer

45.6789

Answer

4567.89

Answer

456.789

Answer

4.56789

Question 6

$$4567.89\ imes\ 0.001\ =$$

Accepted Answer

4.56789

Answer

4567.89

Answer

456.789

Answer

45.6789

Question 7

$$4567.89\ imes\ 0.0001\ =$$

Accepted Answer

0.456789

Answer

4567.89

Answer

45.6789

Answer

4.56789

Question 8

$$456.789\ imes\ 0.001\ =$$

Accepted Answer

0.456789

Answer

4567.89

Answer

45.6789

Answer

4.56789

Question 9

9.9 x 2.27

Accepted Answer

22.473

Answer

22.483

Answer

224.83

Answer

224.73

Question 10

A bag of grass seed weighs 5.8 pounds. How many pounds would 2.5 bags weigh?

Accepted Answer

14.50 pounds

Answer

13.8 pounds

Answer

8.3 pounds

Answer

3.3 pounds

Question 11

0.7 X 1.9

Accepted Answer

1.33

Answer

13.3

Answer

1.46

Answer

14.6

Question 12

Multiply

$$24.4 imes1.3$$

Accepted Answer

31.72

Answer

7.32

Answer

9.76

Answer

21.72

Question 13

1.2 x 2.1

Accepted Answer

2.52

Answer

25.2

Answer

0.36

Answer

3.6

Question 14

0.6 x 0.91

Accepted Answer

0.546

Answer

0.9

Answer

9

Answer

5.460

Question 15

7.13 x 5.5

Accepted Answer

39.215

Answer

3.9215

Answer

392.15

Answer

3921.5

Question 16

0.3 x 0.5

Accepted Answer

0.15

Answer

1.5

Answer

15

Answer

150

Question 17

1.2 x 2.1

Accepted Answer

2.52

Answer

25.2

Answer

0.36

Answer

3.6

Question 18

2.5 x 6.7

Accepted Answer

16.75

Answer

1.675

Answer

3.25

Answer

32.5

Question 19

0.6 x 0.91

Accepted Answer

0.546

Answer

0.9

Answer

9

Answer

5.460

Question 20

0.5 x 32

Accepted Answer

16

Answer

17

Answer

15.5

Answer

16.5

Question 21

9.3 X 4.1

Accepted Answer

38.13

Answer

3.813

Answer

38.25

Answer

3.825

Question 22

How many digits will be behind the decimal in the product?
0.15 x 0.6

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 23

0.18 x 2.0

Accepted Answer

0.36

Answer

3.6

Answer

36

Answer

0.036

Question 24

One kilometer is about .62 mile. It is 12 kilometers from Noah's house to tthe ice skating rink. About how many miles is it from Noah's house to the ice skating rink?

Accepted Answer

7.44 miles

Answer

74.4 miles

Answer

0.744 miles

Answer

84.4 miles

Question 25

7.13 x 5.5

Accepted Answer

39.215

Answer

3.9215

Answer

392.15

Answer

3921.5

Question 26

Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?

Accepted Answer

34.16 miles

Answer

3.41 miles

Answer

8.54 miles

Answer

341.6 miles

Question 27

45.1 x 7

Accepted Answer

315.7

Answer

31.57

Answer

3,157

Answer

3.157

Question 28

One banana costs $3.00. How much do 80 bananas cost?

Accepted Answer

$240

Answer

$83

Answer

$77

Answer

$26.67

Question 29

5.78 x 3.5

Accepted Answer

20.23

Answer

0.223

Answer

2.23

Answer

22.3

Question 30

3.5 x 4.92

Accepted Answer

17.22

Answer

17.32

Answer

1.72

Answer

0.1722

Question 31

0.7 x 0.9

Accepted Answer

0.63

Answer

0.063

Answer

0.16

Answer

1.63

Question 32

What is 0.15 x 0.60?

Accepted Answer

0.09

Answer

9

Answer

0.45

Answer

0.9

Question 33

Add the decimal into this number:
2.39 x 4.37 = 104443

Accepted Answer

10.4443

Answer

104.443

Answer

10444.3

Answer

1.04443

Question 34

Solve this problem:
5.3 x 3.5

Accepted Answer

18.55

Answer

1.855

Answer

185.5

Answer

20

Question 35

Add the decimal into this number:
22.2 x 0.44 = 9768

Accepted Answer

9.768

Answer

0.9768

Answer

97.68

Answer

976.8

Question 36

Solve this problem:
10.5 x 3.6

Accepted Answer

37.8

Answer

3.78

Answer

378

Answer

0.378

Question 37

How many digits will be behind the decimal in the product?
0.15 x 0.6

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 38

Spinning tops cost $0.50 per ounce. A box of spinning tops at the warehouse contains 100 ounces of spinning tops. What is the cost of the box of spinning tops?

Accepted Answer

$50

Answer

$5

Answer

$500

Answer

$5,000

Question 39

Luke rides his bike for 2.76 miles each day. How many miles will he bike in 7 days?

Accepted Answer

19.32 miles

Answer

7 miles

Answer

9.76 miles

Answer

19.99 miles

Question 40

The hundredths model in the figure is shaded to represent the multiplying of two numbers. Which equation can be represented by the shaded parts of the model?

Accepted Answer

0.1 x 0.8 = 0.08

Answer

1 x 8 = 8

Answer

10 x 8 = 0.80

Answer

0.1 x 0.8 = 0.80

Question 41

The hundredths model in the figure is shaded to represent the multiplying of two numbers. Which equation can be represented by the shaded parts of the model?

Accepted Answer

0.4 x 0.2 = 0.08

Answer

4 x 2 = 8

Answer

0.4 x 0.2 = 0.8

Answer

40 x 20 - 80

Question 42

Which equation is represented by the model shown?

Accepted Answer

2.3 x 3 = 6.9

Answer

.23 x 3 = .69

Answer

2.3 x .3 = 6.9

Answer

2.3 x 3 = .69

Question 43

Which equation is represented by the model shown?

Accepted Answer

0.5 x 3 = 1.5

Answer

0.5 x 4 = 1.5

Answer

1.5 x 3 = 0.5

Answer

0.5 x 3 = 2.5

Question 44

Which equation is represented by the model shown?

Accepted Answer

2 x 0.75 = 1.50

Answer

0 x 2 = 1.50

Answer

2 x 1.50 = 0.75

Answer

2 x 0.75 = 1.25

Question 45

Anna earns $13.75 per hour and worked 20 hours last week. How much money did she earn last week?

Accepted Answer

$275.00

Answer

$270.00

Answer

$273.00

Answer

$277.00

Question 46

To take an Uber, Joshua must pay $2.25 per mile. He wants to go to the movies which is 8.7 miles from his house. How much will it cost Joshua to take an Uber from his house to the movie theater?

Accepted Answer

$19.58

Answer

$19.57

Answer

$18.58

Answer

$18.57

Question 47

Sarah jogged 4.8 miles each day for 22 days last month. How many miles did Sarah jog in total?

Accepted Answer

105.6 miles

Answer

110 miles

Answer

88.16 miles

Answer

26.8 miles

Question 48

Brittany has a pack of 24 pencils.  Each pencil weighs 0.9 grams.  How much does the pack of pencils weigh?

Accepted Answer

21.6 grams

Answer

24.9 grams

Answer

33 grams

Question 49

Jackie earns $8.95 per hour. This week she worked 7.5 hours. How much did she earn this week?

Accepted Answer

$67.13

Answer

$67.125

Answer

$67.12

Answer

$68.00

Question 50

Juliet's balcony is 3.5 meters long and 0.8 meters wide. What is the area of Juliet's balcony?

Accepted Answer

2.8m2

Answer

2.45m2

Answer

4.3m2

Answer

8.6m2

Question 51

Brianne is planning a party for her friend. She is ordering cupcakes from her favorite bakery. She plans to order 10 peanut butter cupcakes with chocolate frosting for $1.75 each and 18 strawberry cupcakes with vanilla frosting for $1.50 each. How much will she spend on cupcakes for the party?

Accepted Answer

$44.50

Answer

$17.50

Answer

$27.00

Answer

$49.00

Question 52

Tyler planted a garden that is 7.84 meters by 5.5 meters. He multiplied 784 x 55 to find the area of his garden. He used estimation to decide where to place the decimal. Which of the following shows where Tyler should place the decimal?

Accepted Answer

43.12m2

Answer

4,312m2

Answer

431.2m2

Answer

4.312m2

Multiplying Decimals by Decimals

85 questions

9.9 x 2.27

A bag of grass seed weighs 5.8 pounds. How many pounds would 2.5 bags weigh?

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