3.3 Estimate Sums and Differences

Oct 21, 2014

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3.3 Estimate Sums and Differences. Objective: To estimate sums and differences of Whole numbers and Decimals. What is an Estimate?. To find a number that is close to an exact amount When your finding an estimate, you are finding about how many .

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3.3 Estimate Sums and Differences

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3-4: Estimating Sums and Differences

3-4: Estimating Sums and Differences. Rounding Clustering Front-end-estimating . Rounding. Most of the time, you will be asked to round to the nearest whole number. Round to the ones place, and drop the decimal part of your number. Example: Estimate the sum of 10.93 and 3.25. 11.

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5-2 Estimating Sums and Differences

5-Minute Check. Express each decimal as a fraction or mixed number in simplest form.0.3. 5-Minute Check. Express each decimal as a fraction or mixed number in simplest form.0.3 3/10. 5-Minute Check. Express each decimal as a fraction or mixed number in simplest form.0.3-1.5. 5-Minute Check.

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Estimating Sums and Differences

Estimating Sums and Differences. Benchmark Numbers. A benchmark is a number that is easy to use when you estimate. When estimating the sums and differences of fractions, we use the benchmarks 0, ½, and 1. 3. 5. Change each fraction to 0, ½, or 1. Add or subtract. +. 25. 11. ½. ½. +.

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Lesson 2-3: Estimating Sums and Differences

Lesson 2-3: Estimating Sums and Differences. Power Lines on White Boards. Objective: Use rounding to estimate sums and differences. Math Understanding: There are different ways to estimate sums and differences. Most involve replacing numbers with other numbers that are

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Sums and Differences of Sinusoids

Sums and Differences of Sinusoids. Sec. 4.6b. Exploration 1: Investigating Sinusoids. Graph these functions, one at a time, in the viewing window. . Which ones appear to be sinusoids?. Only these functions appear to be sinusoids!!!. Exploration 1: Investigating Sinusoids.

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Sums and Differences Via Pattern Blocks

Sums and Differences Via Pattern Blocks. Needed for this lesson. At least three sheets of the triangle graph paper available at http://math.rice.edu/~lanius/images/triangle.gif. Part 1. To complete the questions from Part 1,

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Estimating Fraction Sums & Differences

Estimating Fraction Sums & Differences. Textbook page 236 IAN page 68. What amounts do we round fractions to? When do we round fractions to 0? When do we round fractions to ½? When do we round fractions to 1?. We round fractions to: 0, ½, or 1 If the numerator is a lot les than

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Estimating Sums and Differences

Estimating Sums and Differences. Estimate A number close to an exact value. An estimate indicates “ABOUT HOW MUCH.” Compatible numbers-Numbers in a problem that ar e easily to work with mentally. When estimating, round to the highest place value of the smaller number.

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Functions, Sequences, and Sums

Functions, Sequences, and Sums. 2.3 Functions. Introduction. Function: task, subroutine, procedure, method, mapping, … E.g. Find the grades of student x. int findGrades (string name){ //go to grades array, //find the name, and find the corresponding grades

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Writing Products as Sums and Sums as Products

Writing Products as Sums and Sums as Products. Solve the problem using a tape diagram. . A sum of money was shared between George and Brian in a ratio of 3:4. If the sum of money was $56.00, how much did George get?. About how big is

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Sums and Differences

Sums and Differences. Condensing Logs. Condensing Logs. Last time we expanded logs, today we will reverse the order. We will still be using rules 5, 6, and 7. When condensing logs it is important to remember 2 things: 1. The bases must be the same. 2. You will only write “log” one time.

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Sums of Sums and Series

Sums of Sums and Series. When you know two terms and the number of terms in a finite arithmetic sequence you can find the sum of the terms.

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Riemann Sums

Riemann Sums. Lesson 14.2. Riemann Sums are used to approximate the area between a curve and the x-axis over an interval. Riemann sums divide the areas into rectangles. By adding the areas of the rectangles, one gets an approximation for the area under the curve on the given interval.

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1.4 Sums & Differences & 1.5 Products

1.4 Sums & Differences & 1.5 Products. Today’s Date: 9/2/11. 1.4 Sums & Differences. Rules for Addition Same sign: Diff signs: Ex 1). keep the sign & add abs. value of #s. keep sign of ‘larger’ # & subtract #s. ‘bigger’ – ‘smaller’. –14 + 9 + (–12) + 20 + (–8). Left to Right.

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Translucent Existentials and Sums

Translucent Existentials and Sums. Robert Harper Fall Semester, 2002. Transparency and Opacity. Dependent types are transparent . Propagate type sharing by substitution. No support for type abstraction. Existential types are opaque . Representation type is hidden from client.

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Estimating Sums and Differences

Estimating Sums and Differences. By Mr. Bales. Objective. By the end of the lesson, you will be able to estimate sum and differences of numbers. Standard 4NS3.1 - Demonstrate an understanding of, and the ability to use, standard algorithms for addition and subtraction of multidigit numbers.

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Estimating Sums and Differences

Estimating Sums and Differences. Amanda Hobson. Objectives:. The students will: 1. Give the definition of Estimation. 2. Explain the differences in rounding and front-end estimation. 3. Estimate the sums or differences using the two methods. Estimation.

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Estimating Sums and Differences with Whole Numbers

Estimating Sums and Differences with Whole Numbers. Why do we estimate?. When do we estimate?. There are several ways to estimate. 1. Rounding. Rounding makes numbers that are easier to work with in your head. Rounded numbers are only approximate.

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MODULE 1: Sums and Differences to 20

MODULE 1: Sums and Differences to 20. 10 points. Is this statement TRUE or FALSE: 10 + 1 = 2 + 8 + 1. 10 points. TRUE. 20 points. Is this statement TRUE or FALSE: 3 + 3 + 7 = 4 + 7 + 2. 30 points. Is this statement TRUE or FALSE: 38 + 2 = 30 + 10. 30 points. TRUE. 40 points.

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$Learn to estimate sums and differences of fractions and mixed numbers .$

Learn to estimate sums and differences of fractions and mixed numbers .

Learn to estimate sums and differences of fractions and mixed numbers. 1. __. 2. __. __. 0. 2. 4. •. __. __. __. __. __. 8. 4. 8. 8. 8. 3. 1. 3. __. __. __. 4. 4. 2. You can estimate fractions by rounding to 0, , or 1. 1. 3. 1. 1. 3. 7. 1. 5.

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Estimating Sums & Differences

Estimating Sums & Differences. Warm-Up. Find the value of each expression. 4.7 + 5.08 10 – 3.58. VOCAB. Rational Number: a fraction made from integers Sum : ADD Difference : Subtract Rounding : Choose easy #’s close to hard #’s. Estimating. Decimals less than one

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Estimating Sums and Differences

Estimating Sums and Differences. Can you estimate the answers to these math problems?. 6/7 - 1/3 11/12 + 4/7 1/9 + 5/8 Work with a partner to determine the estimated answer for each of these problems. Be prepared to explain how you got your answer!.

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3.3 Estimate Sums and Differences

3.3 Estimate Sums and Differences

Presentation Transcript

3-4: Estimating Sums and Differences

5-2 Estimating Sums and Differences

Estimating Sums and Differences

Lesson 2-3: Estimating Sums and Differences

Sums and Differences of Sinusoids

Sums and Differences Via Pattern Blocks

Estimating Fraction Sums &amp; Differences

Estimating Sums and Differences

Functions, Sequences, and Sums

Writing Products as Sums and Sums as Products

Sums and Differences

Sums of Sums and Series

Riemann Sums

1.4 Sums &amp; Differences &amp; 1.5 Products

Translucent Existentials and Sums

Estimating Sums and Differences

Estimating Sums and Differences

Estimating Sums and Differences with Whole Numbers

MODULE 1: Sums and Differences to 20

Learn to estimate sums and differences of fractions and mixed numbers .

Estimating Sums &amp; Differences

Estimating Sums and Differences

Estimating Fraction Sums & Differences

1.4 Sums & Differences & 1.5 Products

Estimating Sums & Differences