Fraction Focus: Addition & Subtraction with Common Denominators - PowerPoint PPT Presentation

Aug 09, 2023 •149 likes •419 views

Fraction Focus: Addition & Subtraction with Common Denominators Your host Leah Dix White Regional Consultant Kentucky Center for Mathematics leah.dix@louisville.edu Visit Our Website www.kentuckymathematics.org Todays Session

Fraction Focus: Addition & Subtraction with Common Denominators
Your host Leah Dix White Regional Consultant Kentucky Center for Mathematics leah.dix@louisville.edu
Visit Our Website www.kentuckymathematics.org
Today’s Session • Research • Standard • Fractions Operations w/common denominators • Color Wall • Number Line Hops • Geogebra
Research
IES Recommendation 3
Standards a. Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. b. Decomposing a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions.
Five Interpretations of Rational Numbers
Adjective Noun View
Units
Contextual Examples and Models Robert and Elijah were eating slices of cake. Robert had 2/8 of his cake left. Elijah had 1/8 of his cake left. How much do the boys have together.
Decomposing Fractions
Decomposing Fractions
Adding fractions with common denominators
Color Fraction Wall Activity
Color Fraction Wall Activity
Clark Fraction Wall Online Version C-Rod Addition and Subtraction
C-Rod Addition and Subtraction
Number Line Addition and Subtraction How many hops does it take?
Geogebra Fraction Simulation
What works for teaching fraction operations? use contexts and provide Rich Tasks a variety of models include estimation & invented methods address misconceptions
Coming up this Week
Follow Us! www.kentuckymathematics.org @KyMath @KyCenterforMath
KCM Support for Educators Your host Leah Dix White Regional Consultant Kentucky Center for Mathematics leah.dix@louisville.edu

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