fifth grade decimal workshop
DESCRIPTION
Fifth Grade Decimal Workshop. Objective. - PowerPoint PPT PresentationTRANSCRIPT
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Fifth Grade Decimal Workshop
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ObjectiveTeachers will have a deeper understanding of the Decimal Domain of the Common Core. They will demonstrate their understanding through their struggle of working through the given activities and through the use of precise language when sharing their thinking.
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Introducing Activity
Put ( * ) next to what you are sure of
Put ( ? ) next to what you are unsure
Put an (X) next what you do not understand
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Congruent figures have the same area.
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The Focus is Area and not the Shape
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What fraction is represented by the
following shaded area?
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National Library of Virtual ManipulativesFractions Visualizing
http://nlvm.usu.edu/en/nav/category_g_2_t_1.html
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The Fat InchDirections
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ComparisonSame Numerator
Same Denominator
Compare to a benchmark
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Counting with unit Fraction
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Foundation is still the unit
.6 = .1 + .1 + .1 +.1 + .1 +.1
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Decomposition of Number is still a Foundation
1 = .1 + .9
1 = .2 + .8
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Equivalence by Subdividing
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Work with base 10 BlocksSpend time discussing and creating 2 activities
you can use in your class with the Base 10 blocks.Creating a Number Inequality…
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Connect to the Numberline
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Prove using Base 10 Blocks
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Prove using the Number line
If
then .6 = .60
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Addition
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Adjective Noun Connection
3 tenths + 25 hundredths
30 hundredths + 25 hundredths
55 hundredths
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Connect to Decimal Addition
.3 + .25 = .30 +.25
=.55
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Decimal to Fraction
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Model and Solve
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Model and Solve
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Model and Solve
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Model and Solve
2.1 +4.39
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Model and Solve
3.23 + 5.4
4.8 + 3.26
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Model and Solve 5.NBT.7
1.Base 10 Blocks2.Based on Place value3.Properties of Operations4.Equivalency
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Model with Base 10 blocks
3 X 4.2
4.2 + 4.2 + 4.2
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Multiplication Area Model Whole Numbers
14 x 5
13 x 14
Use graph paper and explainusing the distributive property.
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Multiplying (Area Model)
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What Numerical Expression is being
modeled?
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What is the numerical Expression being
modeled?
How would you connect this model to the Distributive property? Build and simplify Your numerical expression.
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Using the Area Model Multiply
2.3 X 3.4
3.4 X 4.2
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Connect the model to the property
Base 10 to Distributive Property
Connect to the Standard Algorithm
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Decimal DivisionOnly to the hundredths
Focus on measurement Division
Focus on the unit when connecting to the number line
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