Multiplying Decimals Review

Dana buys a package of 5 sour worms. Each sour worm costs $0.16, as shown in the model above.

How much does Dana spend for the package of sour worms?

• $0.08

• $0.20

• $0.80

• $8.00

Sue bought 4.6 meters of fabric that cost $3.55 per meter. What was her total?

• $160.30

• $16.33

• $14.20

• $12.33

What is the product?

6.98 x 5=

When multiplying decimals, which answer choices will help you determine how to find a reasonable product.

• line it up and bring it down

• move it up

• the number of decimal place values will equal the number of decimal place values in your product

• Using your estimate

Which of the following answers would be a reasonable estimate for the following equation:

19.58 x 8=?

• 160

• 156.64

• 100

• 152

Using the identity property, which of the following statements is true about the product?

5 x 0.1 =

• The product will be greater than 5.

• The product will be less than 5.

• The product will be less than .1.

• The product will be equal to one of the factors.

Where would the decimal go in this problem?

• 97.68

• 0.9768

• 9.768

• 976.8

Where would the decimal go in this problem?

• 10.73

• 1073

• 1.073

• 107.3

Domo buys 10 packs of sour worms. Each pack of sour worm costs $0.25.

How much does Domo spend on the sour worms?

• $0.10

• $25.00

• $2.50

• $250.00

How do you know where you put the decimal in a multiplication problem?

• line it up and bring it down

• move it up

• count the digits behind the decimal and move it the same amount of spaces.