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introduction to division - YouTube

Fraction Butterfly Anchor Chart - cross multiply to find equivalent fractions to compare fractions or add & subtract fractions with different denominators. A visual reminder of the strategy for adding & subtracting fractions found in the CCSS 5.NF.A.1 (a/b + c/d = (ad + bc)/bd). See http://www.corestandards.org/Math/Content/5/NF/A/1/. This is not intended to be taught on its own, but can serve as a reminder after the concepts that explain why this works have been taught.

This is a terrific post on thinking about the meaning of division of fractions....great visual for a concept that kids find hard to envision.

geometric measurement recognizing perimeter | Area and Perimeter Wall Chart for 3rd Grade | Easy Common Core Student ...