Resources

Resources

Add, subtract, multiply, and divide decimals: word problems

At a track and field meet, Cody's time in a sprint event was

17.5

seconds. What was Shaina's time if she completed the event in

1.08

A baby giraffe was born at a wildlife preserve. The giraffe was

6

feet tall when it was born, and it grew

1.75

feet over the next

7

months. If the giraffe continues to grow at the same rate, at what age will it reach a height of

15

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Rosa is building a guitar. The second fret is

33.641\,\text{mm}

from the first fret. The third fret is

31.749\,\text{mm}

from the second fret.

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How far is the third fret from the first fret?

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\square \,\text{mm}

The house Trevor's family lives in has

6

people (including Trevor) and

3

bathrooms. In the past month, each person showered for an average of

480

minutes and used an average

72

liters of shower water (over the entire month). Water costs

0.20

dollars per liter.

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How much money did Trevor's family spend, in total, on shower water in the past month?

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\square

\text{dollars}

19

. Marvin can fit no more than

18

5

gallons in his gas tank. If he stops at the gas station with

3

7

gallons already in his tank, how much gas can he fit in his tank?

22

. According to the website for the state of Virginia,

0

8

million tons of clothing is reused or recycled out of

7

million tons of clothing discarded. If

17

5

million tons of clothing is discarded, how many tons will be reused or recycled?

0.35

liters of perfume from the catalog. how many millimeters of perfume did jolene order?

Four years ago I was

11

times as old as my dog. Now I am

6

times as old. How old am I?

The shadow of a meter stick measures

1.2\,\text{m}

long. At the same time, a nearby tree casts a shadow that is

21.4\,\text{m}

long. How tall is the tree?

The diagonal of Andre's rectangular TV screen is

39

inches. The width of his

T V

34

inches. Which measurement is closest to the height of Andre's TV screen?

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8

5

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19

1

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36

5

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51

7

A roof tiler in New Zealand charges

\$152.72

for a day of work after a GST of

15\%

is added. What was the charge before GST?

Aubrey has a pool in her backyard, and she wants to build a fence around the entire area. Aubrey's backyard is

14\,\text{meters}

16\,\text{meters}

\$9.42

per meter to install a wooden fence. How much would it cost to put a wooden fence around Aubrey's backyard?

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\$\_\_\_\_

The day after a record storm dumped

23.15

inches of snow in Steamboat Springs,

6.51

inches of the snow melted. How much snow was left?

9

) Charlie has an adult Netherlands dwarf rabbit that weighs

1

4

kilograms. Cliff's adult Angora rabbit weighs

2

6

times as much as Charlie's rabbit. How much does Cliff's rabbit weigh?

A scientist uses a submarine to study ocean life.

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- She begins at sea level, which is an elevation of o feet.

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- She travels down

84

5

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- She then rises

77

8

\newline

- Next, she descends a second time,

79

8

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How many feet must she now rise to get back to sea level?

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\square

A scientist uses a submarine to study ocean life.

\newline

- She begins at sea level, which is an elevation of o feet.

\newline

- She travels down

98

8

\newline

- She then rises

63

5

\newline

- Next, she descends a second time,

32

1

\newline

How many feet must she now rise to get back to sea level?

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\square

A scientist uses a submarine to study ocean life.

\newline

- She begins at sea level, which is an elevation of o feet.

\newline

- She travels down

21

1

\newline

- She then rises

7

4

\newline

- Next, she descends a second time,

47

6

\newline

How many feet must she now ascend to get back to sea level?

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\square

A scientist uses a submarine to study ocean life.

\newline

- She begins at sea level, which is an elevation of o feet.

\newline

- She travels down

16

7

\newline

- She then ascends

12

\newline

- Next, she descends a second time,

84

6

\newline

How many feet must she now rise to get back to sea level?

\newline

\square

A scientist uses a submarine to study ocean life.

\newline

- She begins at sea level, which is an elevation of o feet.

\newline

51

5

\newline

- She then rises

10

3

\newline

- Next, she travels down a second time,

74

5

\newline

How many feet must she now ascend to get back to sea level?

\newline

\square

A scientist uses a submarine to study ocean life.

\newline

- She begins at sea level, which is an elevation of o feet.

\newline

- She travels down

83

4

\newline

- She then travels directly up

15

6

\newline

- Next, she descends a second time,

27

6

\newline

How many feet must she now rise to get back to sea level?

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\square

Mia went shopping for a new video game. To find the total plus tax, she multiplied the price of the video game by

1

085

. What percent tax did she pay?

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\%

The manager at Gabriela's Furniture Store is trying to figure out how much to charge for a book shelf that just arrived. The book shelf was bought at a wholesale price of

\$147.00

, and Gabriela's Furniture Store marks up all furniture by

60\%

. At what price should the manager sell the book shelf?

The manager at Gabriela's Furniture Store is trying to figure out how much to charge for a book shelf that just arrived. The book shelf was bought at a wholesale price of

\$147.00

, and Gabriela's Furniture Store marks up all furniture by

60

At Andy's Market, the price of a box of brand-name cereal is

1.5

times the price of a box of generic cereal. If the price of a box of brand-name cereal is

\$3.60

, which of the following can be used to determine

x

, the price of a box of generic cereal in dollars?

The distance between two cities is

160.75

miles. If a car has already traveled

80.25

miles, how much farther does it have to go?

The stock of Company A gained

\$ 4.79

throughout the day and ended at a value of

\$ 124.54

. By what percentage did the stock rise?

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9

900

dollars is placed in a savings account with an annual interest rate of

1.7 \%

. If no money is added or removed from the account, which equation represents how much will be in the account after

8

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M=9,900(0.017)^{8}

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M=9,900(1.017)^{8}

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M=9,900(1+0.017)(1+0.017)(1+0.017)(1+0.017)

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M=9,900(0.983)^{8}

Many bank accounts never go below zero. But some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account to begin with. Enola's account went into overdraft. To get back to a positive balance, she deposited money at a steady rate of

\$ 21.1

per week. After

5

\$ 46.06

in the account. What was the balance when the account went into overdraft?

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\$

A scientist was in a submarine,

41

4

feet below sea level, studying ocean life. Over the next ten minutes, she rose

33

6

feet. How many feet was she now below sea level?

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\square

A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she dropped

88

6

feet. How many feet had she been below sea level, if she was

182

5

feet below sea level after she dropped?

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\square

A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she dropped

68

1

feet. How many feet had she been below sea level, if she was

155

4

feet below sea level after she dropped?

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\square

A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she went down

36

3

feet. How many feet had she been below sea level, if she was

99

7

feet below sea level after she went down?

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\square