Multiplying Decimals

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.A.2

CCSS.5.NBT.B.7

Place the decimal into this product:
2.39 x 4.37 = 104443

• 10.4443
• 104.443
• 10444.3
• 1.04443

How many digits will be to the right of the decimal in the product of this problem?
0.15 x 0.6

• 0
• 1
• 2
• 3

What is the product 6.4 × 100?

• 64
• 640
• .64
• .064

Estimate the product of 4.3 and 6.5 using rounding. What is the estimated product?

• 28.0

• 26.0

• 25.0

• 27.0

The red digit is wrong. What should it be instead?

• 4

• 6

• 9

• 5

After correcting the mistake with the red digit in this problem, the correct answer to the entire problem would be ______________ .

The red digit is wrong. What should it be instead?

• 2

• 3

• 1

• 5

The red digits are wrong. What should it be instead?

• 76

• 24

• 73

• 64

After correcting the mistake with the red digits in this problem, the correct answer to the entire problem would be ______________ .