Quiz about Multiplication of Decimals Word Problems

Question 1

On Friday, Sally talks for 38.4 minutes on her cell phone. On Saturday, she uses 5.5 as many minutes as she did on Friday. How long does Sally talk on her cell phone on Saturday?

Accepted Answer

211.2

Answer

329

Answer

43.9

Answer

32.9

Question 2

Miley weighed two rocks. The first rock weighed 3.87 grams, the second rock weighed five times as much as the first rock. How much did the second rock weigh?

Accepted Answer

19.35

Answer

8.87

Answer

7.74

Answer

193.5

Question 3

Billy bought 3.5 pieces of wood to build a bird feeder. Each piece of wood cost $1.50. How much did Billy spend on wood for his bird feeder?

WHICH OPERATION WOULD YOU USE TO SOLVE THIS PROBLEM?

Accepted Answer

Multiplication

Answer

Division

Answer

Subtraction

Answer

Addition

Question 4

It costs $8.95 per person to attend the state museum. All 352 fifth graders attended. How much did they pay to go on the field trip?

Accepted Answer

$3,150.40

Answer

$782.10

Answer

$54.40

Answer

360.95

Question 5

Haley bought 7.4 pounds of wood chips for her 3 gardens. Wood chips cost $4.29 per pound. How much did Haley spend on wood chips?

Accepted Answer

$31.75

Answer

$94.50

Answer

$22.2

Answer

$317.50

Question 6

Giovanni bought 7 packs of trading cards. Each pack cost him $4.89. How much did he spend on cards?

Accepted Answer

$34.23

Answer

$33.54

Answer

$74.89

Answer

$342.30

Question 7

Jackie bought 4.2 pounds of apples at the orchard. Apples cost $1.45 per pound. How much did she pay in total for apples? How much change did she get back if she paid with a twenty dollar bill?

Accepted Answer

total = $6.90 and

Accepted Answer

change = $13.91

Answer

total = $4.20 and

Answer

change = $15.80

Question 8

On Saturday,12 friends go ice skating.Altogether,they pay $83.40 for admission.They share the cost equally.How much does each person pay?

Accepted Answer

6.95

Answer

7.95

Answer

9.93

Answer

8.73

Question 9

Hummingbirds flap their wings extremely fast. Their wings can flap about 13.35 times per second. How many times would a hummingbird flap its wings in 11.15 seconds?

WHICH OPERATION WOULD YOU USE TO SOLVE THIS PROBLEM?

Accepted Answer

Multiplication

Answer

Division

Answer

Subtraction

Answer

Addition

Question 10

How many decimal places will you be moving in your final answer?

Accepted Answer

3

Answer

2

Answer

5

Answer

1

Question 11

Find the product of 4.57 and 9.

Accepted Answer

41.13

Answer

4.123

Answer

414.5

Answer

4,140

Question 12

Ms. SIkes paid a total of $95.40 for a 12 month magazine subscription. She paid the same amount each month. What amount did Ms. Sikes pay each month?

Accepted Answer

$7.95

Answer

$7.96

Answer

$1,144.80

Answer

$107.40

Question 13

Write a number sentence that illustrates the following. A number with two decimal places multiplied by a number with one decimal place. The product has only two nonzero digits.

Accepted Answer

$$0.07 imes0.3=0.021$$

Answer

$$0.07 imes0.03\ =\ 0.021$$

Answer

$$0.07 imes0.03=0.0021$$

Answer

$$0.7 imes0.03=0.0021$$

Multiplication of Decimals Word Problems

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