'Multiply decimals' presentation slideshows

5 Minute Check

5 Minute Check. Complete in your notebook. Estimate each product. 1. 9.7 x 3 2. 3.4 x 5 3. 17.5 x 8 Multiply. 4. 1.5 x 6 5. 3.1 x 13 6. 3.48 x 25. 5 Minute Check. Complete in your notebook. Estimate each product. 1. 9.7 x 3. 5 Minute Check.

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EXAMPLE 1

EXAMPLE 1. Multiply Decimals Using Mental Math. a. 0.05 1000. EXAMPLE 1. Multiply Decimals Using Mental Math. a. 0.05 1000. Move 3 places to the right. EXAMPLE 1. Multiply Decimals Using Mental Math. a. = 0 0 5 0. 0.05 1000. Move 3 places to the right. EXAMPLE 1.

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Chapter 4: Multiply Decimals

Chapter 4: Multiply Decimals. Lesson 4-1: Multiplication Patterns with Decimals. 3. 3. 2. 0. 1. 0. 2. 1. 0.16 =. 24.46 =. 10. 10. 10. 10. 10. 10. 10. 10. X. X. 24.46 =. 0.16 =. X. X. 24.46 =. 0.16 =. X. X. 24.46 =. 0.16 =. X. X. 1 X 2,154 = 0.1X 2,154 =

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Multiplying & Dividing Decimals

Multiplying & Dividing Decimals. September 18 , 2012. Modeling: To model multiplication of decimals: 1. Shade in vertically the number of boxes represented by the first decimal . 2. Shade in horizontally the number of boxes represented by the second decimal .

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NYS Math Module 1 Lesson 11

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Warm Up

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Multiplying Decimals

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Do Now

Do Now. The 4-by-100 meter relay is a track and field event involving four runners on each team. What is the combined time of Carter and Frank? How much faster did Powell run his leg of the race than Bolt? What is the combined time of all the runners?. DWP #1.

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Extension of NS2.3

California Standards. Extension of NS2.3 Solve addition, subtraction, multiplication, and division problems, including those arising in concrete situations, that use positive and negative integers and combinations of these operations.

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Review From Yesterday

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Lesson 4.2 Multiplying Decimals

Lesson 4.2 Multiplying Decimals. Warm Up. 58 + 135 + 42 4.856 + 2.35 7.897 - 0.459 23.9 - 12.56. Purpose and Outcome. Purpose: To learn how to multiply decimals using a model. Outcome: SWBAT multiply decimal numbers like 4.6 times 0.78. Multiplying with Decimals. How would you multiply?

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Do Now 11/15/11

Do Now 11/15/11. Take out your HW from last night. Text p. 102, #10-40 evens, #42, 43, 48, & 49 Copy HW in your planner. Text p. 106, #10-44 evens

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Multiplying and Dividing Decimals

Multiplying and Dividing Decimals. Section 3.6. Multiplying Decimals. Multiply decimals as you would whole numbers . Then place the decimal point in the product. To do this, add the number of decimal places in the factors . 3.12 X 0.9 5.75 X 42 0.964 X 0.28. Practice.

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Multiply Decimals by Decimals

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Brain Warm-Up

Brain Warm-Up. Solve the expressions below using d = 3.8, e = 13.03 and f = 9. 1.) d + e 2.) f - d 3.) e - f 4.) e + f. Multiplying Decimals. November 2, 2011 Ms. Latimer. Objective : to accurately multiply decimals.

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Brain Warm-Up

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Multiplying Decimals

Multiplying Decimals. 1. Multiply 2. Move the decimal. Multiply Decimals. Step 1 --- Ignore the decimal Step 2 --- Rewrite the problem Step 3 --- Multiply the problem Step 4 --- Underline all numbers to the right of decimal(s) in original problem

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How Do We Multiply Decimals?

How Do We Multiply Decimals?. 4.56 x .04 1824. 1. Multiply as you normally would. How do we multiply decimals?. 4.56 x .04 1824. 1. Multiply as you normally would. 2. Count decimal places to the right of the decimal points in the factors.

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adding and subtracting with decimals

adding and subtracting with decimals. By: Grace Kendrick. Why do I think it is so important?. I think that learning how to add and subtract with decimals is important because it gives you a more precise answer. It is exact. Examples. Addition 34.3 34 + 16.8 + 17 51 51

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Mathematics topic handout: Long multiplication Dr Andrew French. eclecticon PAGE 1

Matrix method of multiplication. Multiply decimals without confusion by firstly converting to integers e.g. 0.0123 x 0.456 = 123 x 10 -4 x 456 x 10 -3 = 123 x 456 x 10 -7 Use matrix method to find 123 x 456 = 56,088 Answer is therefore 56,088 x 10 -7 = 0.0056088

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