Multiplying Decimals Line by Line

When multiplying with decimals, you -

• line up the decimals

• "Raise the roof"

• "Slide & Slide"

• bump out the decimals, multiply, & bump them back in

Tags

CCSS.5.NBT.B.7

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

Tags

CCSS.5.NBT.B.7

Where does the decimal go in the answer:

• 0.033

• 0.33

• 3.3

Tags

CCSS.5.NBT.B.7

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

• 2

• 3

• 4

• 5

Tags

CCSS.6.NS.B.3

Multiply.

7 × 0.9 = ?

• 0.063

• 0.63

• 6.3

Tags

CCSS.6.NS.B.3

45.1 x 7

• 31.57

• 315.7

• 3,157

• 3.157

Tags

CCSS.6.NS.B.3

4 x 0.03

• 12

• 0.12

• 120

• 0.012

Tags

CCSS.6.NS.B.3

5.78 x 3.5

• 0.223

• 2.23

• 22.3

• 20.23

Tags

CCSS.6.NS.B.3

• 7.32

• 9.76

• 31.72

• 21.72

Tags

CCSS.6.NS.B.3

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

Tags

CCSS.6.NS.B.3