Multiplying & Dividing Decimals

Multiplying by Whole Numbers

100

3.5 x 10

35

200

3 x 2.1

6.3

300

29 x 0.1

2.9

400

2768 x 0.001 

2.768

500

0.2 x 6

1.2

Multiplying by Decimal Numbers

100

3.2 x 0.1

What is 0.32

200

0.001 x 2

What is 0.002

300

5.6 x 4

22.4

400

578 987 x 0.001

578.987

500

Each person runs 1.3 km in a four-person relay. How far is the relay run in total?

5.2 km

Dividing by Whole Numbers

100

1.2 divided by 6

What is 0.2

200

4.2 ÷ 2

2.1

300

6.48 divided by 2

3.24

400

2 friends are evenly splitting $8.48. How much money will each friend get?

$4.24

500

Alice bikes 4.8 km in 8 minutes. How far does Alice bike in 1 minute?

0.6 km  

Math from the Year

100

List all the factors of 12

1,2,3,4,6,12

200

A sqaure has a side length of 5cm. What is the perimeter?

20cm

300

Write this decimal in expanded form: 

3.47

3 ones + 4 tenths + 7 hundredths 

or 

3.0+ 0.4 + 0.07

400

Turn 5 and 3/4 into an improper fraction 

23/4

500

Three friends rent a movie for $6.49 and buy a package of popcorn for $1.82. They share the cost equally. How much should each person pay?

$2.77

Word Problems

100

A recipe for a cake uses five 2.75 ounce packages of ground walnuts. Find the total ounces of ground walnuts needed for the recipe.

13.75

200

Nick is buying a sports magazine that costs $4.95. What will it cost him for a year if he buys one magazine every month?

$59.40

300

Ms. Yarbrough is considering buying new carpeting for her living room. How many square feet of carpet will she need if her room is 16.3 feet by 24.6 feet?

400.98 feet squared

400

Logan paid $13.30 for 2.8 pounds of roast beef. Find the price per pound of the roast beef.

$4.75

500

George has a garden that covers 127.75 square feet. He wants to cover the soil of his garden with fertilizer. One bag of fertilizer covers 18.25 square feet. How many bags of fertilizer does George need?

7 bags