Multiplying and Dividing Decimals

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Transcript Multiplying and Dividing Decimals

COURSE 2 LESSON 1-3
Multiplying and Dividing Decimals
Find 40.2616 ÷ 6.824.
Estimate 40.2616 ÷ 6.824
6.824 40.2616
42 ÷ 7, or 6
5.9
6824 40261.6
34120
61416
61416
0
Multiply the divisor and the
dividend by 1,000.
Place the decimal point
in the quotient above the
decimal point in the dividend.
Check for Reasonableness The quotient 5.9 is close to the estimate 6.
The answer is reasonable.
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COURSE 2 LESSON 1-3
Multiplying and Dividing Decimals
In a restaurant, one serving of cole slaw weighs 3.5 oz.
The owner buys cole slaw in cans that each weigh 98 oz. How many
servings are in each can?
28
3.5 98.0
70
28 0
28 0
0
Multiply divisor and dividend by 10.
Annex zeros when needed.
There are 28 servings in a 98-oz can of cole slaw.
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COURSE 2 LESSON 1-3
Multiplying and Dividing Decimals
Find each product or quotient.
1. 0.9
4.25
3.825
3. 38.164 ÷ 4.7
8.12
2. 6.7
8.08
54.136
4. 0.7 ÷ 0.5
1.4
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