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Multiplying Decimals
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Chapter 9 MULTIPLYING DECIMALS дооупоболоодо When multiplying decimals, you don't need to line up the decimals. In fact, you don't have to think about the decimal point until the very end. Steps for multiplying decimals: 1. Multiply the numbers as though they were whole numbers. 2. Include the decimal point in your answer-the number of decimal places in the answer is the same as the total number of digits to the right of the decimal point in each of the factors. INTEGERS YOU ARE MULTIPLYING 57 EXAMPLE: 4.24 x 2.1 4.24 x2.1 424 58 848 8904 The total number of decimal places in 4.24 and 2.1 is 3. so the answer is 8.904. Let's try it again: EXAMPLE: Bruce jogs 1.2 kilometers per minute. If he jogs for 5.8 minutes, how far does he jog? 12 x5.8 96 YOU DON'T NEED TO LINE UP DECIMALS! 60 696 The total number of decimal places in 1.2 and 5.8 is 2 so the answer is 6.96 kilometers. When counting decimal places, don't be fooled by zeros at the end-they don't count. 0.30 CAN'T BE COUNTED 0.30 = 0.3 (only I decimal point) CHECK YOUR K 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350-0.40 4. (9.8710)(3.44) 5. (1.003)(24) 6.310 x 0.0002 1. 0.003 x 0.015 8. The price of fabric is 5.5 meters of fabri 1. Each centimeter many meters do! 10. A gallon of gas gas. How much CHECK YOUR KNOWLEDGE 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350 0.40 4. (9.8710)(3.44) 5. (1.003)(2.4) 6.310 x 0.0002 7. 0.003 x 0.015 The price of fabric is $7.60 per meter. Lance bought 5.5 meters of fabric....
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Alternative transcript:
What was the total cost? 1. Each centimeter on a map represents 3.2 meters. How many meters do 5.04 centimeters represent? 10. A gallon of gas costs $2.16. Rob buys 13.5 gallons of gas. How much did he pay? ANSWERS 59
Steps on how to multiply decimals, pratice work and check your answers.
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Steps on how to multiply decimals, pratice work and check your answers.
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Chapter 9 MULTIPLYING DECIMALS дооупоболоодо When multiplying decimals, you don't need to line up the decimals. In fact, you don't have to think about the decimal point until the very end. Steps for multiplying decimals: 1. Multiply the numbers as though they were whole numbers. 2. Include the decimal point in your answer-the number of decimal places in the answer is the same as the total number of digits to the right of the decimal point in each of the factors. INTEGERS YOU ARE MULTIPLYING 57 EXAMPLE: 4.24 x 2.1 4.24 x2.1 424 58 848 8904 The total number of decimal places in 4.24 and 2.1 is 3. so the answer is 8.904. Let's try it again: EXAMPLE: Bruce jogs 1.2 kilometers per minute. If he jogs for 5.8 minutes, how far does he jog? 12 x5.8 96 YOU DON'T NEED TO LINE UP DECIMALS! 60 696 The total number of decimal places in 1.2 and 5.8 is 2 so the answer is 6.96 kilometers. When counting decimal places, don't be fooled by zeros at the end-they don't count. 0.30 CAN'T BE COUNTED 0.30 = 0.3 (only I decimal point) CHECK YOUR K 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350-0.40 4. (9.8710)(3.44) 5. (1.003)(24) 6.310 x 0.0002 1. 0.003 x 0.015 8. The price of fabric is 5.5 meters of fabri 1. Each centimeter many meters do! 10. A gallon of gas gas. How much CHECK YOUR KNOWLEDGE 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350 0.40 4. (9.8710)(3.44) 5. (1.003)(2.4) 6.310 x 0.0002 7. 0.003 x 0.015 The price of fabric is $7.60 per meter. Lance bought 5.5 meters of fabric....
Chapter 9 MULTIPLYING DECIMALS дооупоболоодо When multiplying decimals, you don't need to line up the decimals. In fact, you don't have to think about the decimal point until the very end. Steps for multiplying decimals: 1. Multiply the numbers as though they were whole numbers. 2. Include the decimal point in your answer-the number of decimal places in the answer is the same as the total number of digits to the right of the decimal point in each of the factors. INTEGERS YOU ARE MULTIPLYING 57 EXAMPLE: 4.24 x 2.1 4.24 x2.1 424 58 848 8904 The total number of decimal places in 4.24 and 2.1 is 3. so the answer is 8.904. Let's try it again: EXAMPLE: Bruce jogs 1.2 kilometers per minute. If he jogs for 5.8 minutes, how far does he jog? 12 x5.8 96 YOU DON'T NEED TO LINE UP DECIMALS! 60 696 The total number of decimal places in 1.2 and 5.8 is 2 so the answer is 6.96 kilometers. When counting decimal places, don't be fooled by zeros at the end-they don't count. 0.30 CAN'T BE COUNTED 0.30 = 0.3 (only I decimal point) CHECK YOUR K 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350-0.40 4. (9.8710)(3.44) 5. (1.003)(24) 6.310 x 0.0002 1. 0.003 x 0.015 8. The price of fabric is 5.5 meters of fabri 1. Each centimeter many meters do! 10. A gallon of gas gas. How much CHECK YOUR KNOWLEDGE 1. 5.6x6.41 2. (3.55)(4.82) 3.0.350 0.40 4. (9.8710)(3.44) 5. (1.003)(2.4) 6.310 x 0.0002 7. 0.003 x 0.015 The price of fabric is $7.60 per meter. Lance bought 5.5 meters of fabric....
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Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User
Love this App ❤️, I use it basically all the time whenever I'm studying
Alternative transcript:
What was the total cost? 1. Each centimeter on a map represents 3.2 meters. How many meters do 5.04 centimeters represent? 10. A gallon of gas costs $2.16. Rob buys 13.5 gallons of gas. How much did he pay? ANSWERS 59