Lesson 3 homework practice percents and decimals answer key

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NAME DATE PERIOD Lesson 3 Homework Practice Multiply Decimals by Whole Numbers Multiply. 1. 08 6 2. 7 4 3. 1. 9 5 4. 3. 4 9 5. 6 3. 4 6. 5. 2 9 7. 06 6 8. 4 0. 8 9. 5 0. 05 10. 3 0. 029 11. 00027 15 12. 0186 92 0. 087 0. 0405 1. 7112 13. 6 0. 06 14. 2 0. 037 15. 0015 15 16. 045 45 0. 074 0. 225 20. 25 Copyright The McGraw-Hill Companies Inc* Permission is granted to reproduce for classroom use. 17. ERASERS Vernon...

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Hello there boys and girls welcome to lesson 4.3 multiplication with decimal sand whole numbers our essential question for today is how can you use place value to multiply a decimal and a whole number please open up your go map book to lesson 4.3 and let#39’s beginning now let#39;stake a look at question 1 for Southey went ahead and showed you that toucan find the product with multiplying and with decimals if you look right hare want to think the place value the decimal factor is tenths that#39’s the hintthey'’re giving you in other words in your decimal answer it goes to the tenths place therefore my answer should go to the tenths place so if I have 4 times 7tenths it#39’s going to be 28 hundredths sowed#39’re going to regroup our two tenths and drop our 8 hundredths now we#39;redoing to multiply 4 times 2 wholes is 8holes plus 2 more is 10 holes now remember the place value the decimal factor goes to the tenths place right here, so we need to make sure that our product goes to the tenths place as Wells let#39’s take a look at question 2together question 2 says 7 and 6 tenths times 8 holes let#39’s take a look and see that our decimal factor goes to the tenths place, so we want to make sure that our product goes to the tenths place as well so let#39’s beginning if I have eight groups of six tenths that would be8 times 6 I would have 48 tenths so Can regroup that I can have 48 tenth snow let#39’s multiply our whole numbers 8times 7 is 56 plus 4 more is 60 whole snow remember our product should go tithe tenths place because we had 48tenths, and we regrouped 40 of those tents into our holes to make four holes all right, so we should have sixty and eight tenths as our products now IN#39’m just going to ask you does our answer make senseis is reasonable so IN#39’m going to use my estimation strategy IN#39’m going to say seven and six tenths is really close to eight holes and if I had eight times eight that would equal 64 now I do know that seven and six tenths is less than eight holes, so my product should be less than64 holes it is less than 64 holes so redid great on this question let#39’s move onset#39’s take a look at question number four says eight and forty-two hundredths times nine so looking tour factors we know it goes to my hundredths place, so my product should have hundredths in the answer let#39;begin by multiplying our hundredths Have nine times two hundredths is 1800sremember you can regroup and make one group of 1/10 and have eight hundredths left over now let#39’s multiply our tents nine times four tenths 9 times 4 is 36Plus that one extra group that we one tenth that we regrouped would be 9 times4 is 36 plus one more is 37 we#39’re going to have to regroup because it can#39’t fit 37in my tenths place down below so I have37 tenths IN#39’m going to put my decimal place there because IN#39’m done with my tenths place and now let#39’s multiply our whole numbers 9 times 8 is 72 72 plus those three holes that we regrouped 72 plus 3is...

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Grade 6 McGraw Hill Glencoe - Answer Keys

Chapter 2: Fractions, Decimals, and Percents;Lesson 3: Percents and Decimals

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Write each percent as a decimal.

Question 22
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Question 23
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3% =

Question 24
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1% =

Question 25
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11% =

Write each decimal as a percent.

Question 26
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0.99 = %

Question 27
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0.62 = %

Question 28
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0.6 = %

Question 29
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0.87 = %

Question 30
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In one day at a store, 7% of the sales were from shoes. Write 7% as a decimal.

Question 31
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In one hour on a certain street, 65% of the cars that passed were black. Write 65% as a decimal.

Question 32
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In a recent year, 0.57 of those registered to vote in the United States voted in an election. Write 0.57 as a percent.
%

Question 33
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In a recent study, 0.82 of Americans own a cell phone. What percent is equivalent to 0.82?
%

Question 34
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Be Precise In the United States, sales tax is added to items that you purchase. The rate of sales tax varies by state and sometimes by county or region. Use the table to order the counties from least to greatest sales tax.