Decimals

Word Problems

100

Luke ran 5km on Monday, 3.2 km on Tuesday, and 900m on Wednesday. How many kilometers did he run all three days together?

900m = .9km

5 + 3.2 +.9 = 9.1 km

200

If 231 kg of flour is divided equally into 10 containers. How many kilograms of flour are in each container?

23.1 kg

300

The weight of 100 identical bouncy balls is 16 ounces. How many ounces does one bouncy ball weigh?

How many ounces do 6 weigh?

16 ÷ 100 = .16 ounces

.16 x 6 =

.96 ounces

400

Vansh  poured 2L of water, 1 L 2mL of tea, and 750 mL of lemonade into a pitcher. How many liters of liquid did he pour in the pitcher altogether?

2 + 1.002 +.75 = 3.752

3.752 L

500

A  blow pop costs $.45 and a jolly rancher costs $.19. What is the total cost of 10 blow pops and 10 jolly ranchers?

.45 x 10 = $4.50 and .19 x 10 = $1.90

$4.50 + $1.90 = $6.40

OR

.45 + . 19 = .64

.64 x 10 = $6.40

Conversions

100

Write 22.048 in expanded form

20 + 2 +.04 + .008

200

What is 1.75 expressed as a fraction in simplest form?

1 3/4

300

Write .425 in expanded form.

.4 + .02 + .005

400

985 mL= _____ L

.985 L 

500

3.75 cm = _______ mm

37.5mm

Comparing Decimals

100

Write > or < 

.095 ____.009

>

200

< or >

.821 ___ 8.21

.821 < 8.21

300

< or >

.041 ____41/100

.041 __<__41/100

400

< or >

2 10/1000 _____ 2.002

2 10/1000 __>__ 2.002

500

What is 7 5/8 expressed as a decimal?

7.625

Multiplying Decimals

100

.015 x 2

.03

200

.875 x 1,000 = 

875

300

.7 kg = ______ g

700 g

400

1.308 x 1000 =

1,308

500

23.942 x 10 = ______

239.42

Dividing Decimals

100

8 cm 8 mm = ________ cm

8.8 cm

200

1.55 km = _____km _______m

1 km  550 m

300

902 ÷ _______ = .902

1,000

400

______ ÷ 100 = .034

3.4

500

.13 ÷ 100 = ________

.0013