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Big Idea Video Podcast

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Pretest 1. Define the Associative Property. Give an example. 2. Define the Commutative Property. Give an example. 3. Tanya has 8 pennies. Show the value of her money in three different forms (fraction, decimal, and money). 4. Write the following in standard form and then order from least to greatest. Three and twenty-six hundredths Twenty-six thousandths Three tenths Sixty-two and three tenths 5. Should a teacher introduce addition of decimals with the rule of lining up the decimals and adding the digits? Why or why not? 6. What prerequisite skills should students have mastered prior to teaching addition and subtraction of decimals? 7. Write the following numbers in expanded and word forms Solve the following: = 4.27 – 2.05 = 9. Use expanded form addition to solve the following problem: = 10. Use an open number line to demonstrate the following problem: 3.5 – 2.2 =

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Properties Answer: IAnswer: H

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Fifth Grade Big Idea 2 Day 2 Develop an understanding of and fluency with addition and subtraction of fractions and decimals.

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The Importance of Decimals….

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Roll to a Whole Directions: Roll a number cube to see who goes first. Player 1 rolls a number cube and places the digit shown in either the tenths or hundredths place. Player 2 now repeats the same procedure. The game continues until each player has 5 rolls. Each player now finds the sum of his or her 5 rolls. The winner is the player with the sum closer to 1.0 without going over the 1 whole. Player 1 tenthshundredths Roll 1 Roll 2 Roll 3 Roll 4 Roll 5 SUM Player 2 tenthshundredths Roll 1 Roll 2 Roll 3 Roll 4 Roll 5 SUM

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Area Models DECIMAL REPRESENTATIONS Base Ten Blocks Money

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0.8 8 $ Equivalent Decimals & Fractions

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Decimal Foldable

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COMPARE & ORDER DECIMALS

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Secret Code Cards

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THOUSANDTHS

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Fraction Decimal Squares

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Tenths and Hundredths

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MA.5.A.2.1 Represent addition and subtraction of decimals and fractions with like and unlike denominators using models, place value or properties.

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Models for Addition and Subtraction

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Big Idea 2 Benchmark Assessment

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Expanded Form Addition and Subtraction

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Answer: MA.5.A.2.2 FCAT 2.0 Sample Test Question

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Answer: 2.55 MA.5.A.2.1 FCAT 2.0 Sample Test Question

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MA.5.A.2.3 Make reasonable estimates of fraction and decimal sums and differences, and use techniques for rounding.

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Rounding Benchmark Numbers Estimating Decimals

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Grab and Go Activity Lesson 8.4

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MA.5.A.2.2 Add and subtract fractions and decimals fluently and verify the reasonableness of results, including in problem situations.

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Check for Reasonableness Using an Open Number Line

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MA.5.A.6.5 Solve non-routine problems using various strategies including “solving a simpler problem” and “guess, check, and revise.”

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Problem Solving Problem Solving is a complex and critical topic in mathematics education, the National Council of Teachers of Mathematics recognizes it as the central focus of the math curriculum. Students need time to explore, discuss and reflect on problem situation. Thinking strategies help students to organize information, recognize relationships between numbers, effectively draw conclusions, and provide a path to move towards a solution.

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Grab and Go Activity Lesson 7.7

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Podcast Jigsaw Segment 1: Add and Subtract Fractions Using a Fraction Kit Segment 2: Add and Subtract Fractions Using the Set Model Segment 5: Fractions in Real-life Situations Segment 2: Add Decimals Using Base-Ten Blocks Segment 3: Subtract Decimals on an Open Number Line

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Posttest 1. Define the Associative Property. Give an example. 2. Define the Commutative Property. Give an example. 3. Kathy has 6 dimes. Show the value of her money in three different forms (fraction, decimal, and money). 4. Write the following in standard form and then order from least to greatest. Two and thirty-four hundredths Thirty-four thousandths Two tenths Forty-two and two tenths 5. Should a teacher introduce addition of decimals with the rule of lining up the decimals and adding the digits? Why or why not? 6. What prerequisite skills should students have mastered prior to teaching addition and subtraction of decimals? 7. Write the following numbers in expanded and word forms Solve the following: = 3.06 – 1.55 = 9. Use expanded form addition to solve the following problem: = 10. Use an open number line to demonstrate the following problem: 4.8 – 2.05 =

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How will the information from this workshop be incorporated into your math program? Follow-up Assignment

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Complete the Course Appraisal CE#

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Course Appraisals Must Be Completed Appraisals are a State Requirement The BRITE system requires that any participant who has not completed the online appraisal be removed from the class, leaving no documentation or record of attendance. Requirement for in-service points

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HAVE A WONDERFUL SUMMER

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