Multiplication of Decimals Review

Complete the steps in order to multiply 23.4 by 4.2.

1. First, you should: ​ (a)   .

2. Next, you should: ​ (b)   .

3. Last, you should: ​ (c)   .

• multiply 234 by 42
• count the digits behind the decimals
• place the decimal in the product
• drop the decimal down in the product
• count the digits in front of the decimals
• line up the decimals

Where does the decimal go in the answer:

.11 x .3 = 33

• 0.033

• 0.33

• 3.3

How many decimal places should we have in the product for this multiplication problem: 0.73 x 2.52

• 2

• 3

• 4

• 5

45.1 x 7

• 31.57
• 315.7
• 3,157
• 3.157

4 x 0.03

• 12
• 0.12
• 120
• 0.012

5.78 x 3.5

• 0.223
• 2.23
• 22.3
• 20.23

• 7.32

• 9.76

• 31.72

• 21.72

 Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?

• 3.41 miles
• 8.54 miles
• 34.16 miles
• 341.6 miles

Rylie is buying 45 boxes of juice with 3.98 pints in each box.  About how many pints of juice is Rylie buying?

• 250 pints

• 200 pints

• 150 pints

• 50 pints

Celeste bought 4.6m of fabric that cost $3.57 per meter. What was her total cost?

• $1.64

• $16.42

• $16.422

• $165.60