Multiplying Decimals

Powers of 10

5

0.009 x 10

What is 0.09

10

0.45 x 100

What is 45?

15

3.1 x 1,000

What is 3,100?

20

0.062 x 100

What is 6.2?

30

2.89 x 10 2.89 x 100 2.89 x 1000

What is 28.9. 289. 2,890?

Whole # x decimal

5

9.8 x 2

What is 19.6?

10

0.67 x 8

What is 5.36?

15

0.457 x 3

What is 1.371?

20

45 x 0.003

What is 0.135?

30

514 x 0.4

What is 205.6?

Vocabulary

5

Answer to a multiplication problem.

What is product?

10

Parts of a multiplication problems' solution.

What are partial products?

15

A strategy to use before multiplying to know if your answer is reasonable.

What is estimating/rounding?

20

The following are operation story problem key words: of, product, per, and times.

What are multiplication problem key words?

30

Types of numbers multiplied that will DECREASE a product.

What are numbers < 1?

Multiplying Decimals

5

0.05 x 4.5

What is 0.225?

10

8.6 x 0.08

What is 0.688?

15

3.42 x 4.7

What is 16.074?

20

9.1 x 11.6

What is 105.56?

30

0.28 x 3.7

What is 1.036?

Challenge!

5

Zach gets an allowance of $10 a week. He saves 0.2 of it. How much does he save each week?

What is $2?

10

A new park will cover 17 acres. The planner will use 0.2 acres for a new basketball court. How much area will he use for the new court?

What is 3.4 acres?

15

In Mrs. Parkerson's science class, each of the 32 students received 3.4 pounds of sugar for a project. How much sugar did the class use?

What is 108.8 pounds?

20

3.57 x 4.6

What is 16.422?

30

Brett bought 12 new books at the book fair. He paid $1.25 for each book. What was his total cost for the books?

What is $15?