'Compatible numbers' diaporamas de présentation

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Representing, Comparing, Ordering, and Estimating Decimals

Representing, Comparing, Ordering, and Estimating Decimals. #8. Vocabulary. Place value can help you understand and write and compare decimal numbers. Example 1: Reading and Writing Decimals Write each decimal in standard form, expanded form, and words. A. 1.07 B. 0.03 + 0.006 + 0.0009.

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Warm Up

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ESTIMATION

ESTIMATION. Three Types of Estimation Measurement Estimation Quantity Estimation Computational Estimation If I can drive 326 miles on 15 gallons of gasoline what is my approximate mpg? Is 10 dollars enough to buy 5 drinks that cost $2.19 each?.

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Do Now

Do Now. 46.8. 3.68. .408. 44.232. DWP #10. DWP # 8. 10 / 2 /2013 2-1 B Intro to Fractions and Estimating Products. In this section, we will learn how to estimate products of fractions using compatible numbers and rounding. .

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Adjusting numbers in a problem to make mental math easier

COMPATIBLE NUMBERS. Adjusting numbers in a problem to make mental math easier. Example Tell the sum of the following group of numbers. 4 + 9 + 7 + 3 + 11 + 1 + 6. 4 + 9 + 7 + 3 + 11 + 1 + 6. How can we easily add these numbers?. Can you find groups of ten?

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Adjusting numbers in a problem to make mental math easier

COMPATIBLE NUMBERS. Adjusting numbers in a problem to make mental math easier. Example Tell the sum of the following group of numbers. 4 + 9 + 7 + 3 + 11 + 1 + 6. 4 + 9 + 7 + 3 + 11 + 1 + 6. How can we easily add these numbers?. Can you find groups of ten?

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DIVISION

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Compatible Numbers

Compatible Numbers . We go together!!!. By Mrs. Farrow 4C. Compatible numbers go together!. Compatible 54 and 9 16 and 4 32 and 8 12 and 3 54 and 6 18 and 2. Not compatible 17 and 2 35 and 9 15 and 4 27 and 8 24 and 5 15 and 6.

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Estimating With Decimals

Estimating With Decimals. Lesson 1-4. Rounding. Identify the place you are rounding to, and place a box around it. Check the digit to the right. If it is greater than or equal to 5, then the number in the box increases by one. If it is less than 5, then the number in the box stays the same.

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Ch. 1-1 Using Estimation Strategies

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Using Estimation

Using Estimation. Lesson 2.5. Clustering. When you have several numbers that are nearly the same, you can round them all the same way and multiply. EXAMPLE: 876 906 + 894. These are all close to 900, and there are 3 numbers. So, we can just multiply 900 x 3.

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Estimating Products and Quotients

Estimating Products and Quotients. September 10, 2009. Rounding. You can estimate either a product or a quotient by first rounding each number to its greatest place value. Example A Example B 8,659 x 122 588 / 29

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Estimating Quotients

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Estimating Quotients using Compatible Numbers

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Estimating Quotients using Compatible Numbers

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3-1 Strategies and Procedures for Mental Computation

3-1 Strategies and Procedures for Mental Computation. Remember to Silence Your Cell Phone and Put It In Your Bag!. Mental Computation. Mental computation is the process of finding an exact answer to a computation mentally, without pencil, paper, calculator, or any other computational aid.

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5 th Grade Friday Wrap up A recap of our week 11/1/13

5 th Grade Friday Wrap up A recap of our week 11/1/13. Mrs. Faust, Mr. Cimino, Mrs. Thierjung, Mr. Fleming, & Mrs. Mowatt. Reading

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