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Interactive video lesson plan for: Addition Step 3 Mixed Numbers (Video #12)

Activity overview:

Fraction Bars are used to illustrate addition of mixed numbers. Using this model, several examples of sums of mixed numbers are illustrated. If the bars represent fractions with different denominators, the bars are replaced with bars having the same size parts. Some of these examples of sums of mixed numbers are solutions to word problems. National Assessment results show that students need more use of visual models representing mixed numbers. Three games involving addition of fractions are illustrated with Fraction Bars. Just using visual models for teaching addition of fractions does not guarantee students will be successful, as shown by an incorrect use of the bars. This incorrect example also illustrates a common problem in the learning of fraction operations; students are often rushed into the use of equations and abstractions. The video ends with a demonstration of the free interactive web game "Fraction Bars Black Jack" from

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Tagged under: Addition,mixed numbers,model,sums,denominators, denominators,word problems,test results,National Assessment results,visual models,fractions,fraction games,incorrect ,equations,abstractions,meaningful,intuitive,sense-making,home ed.,teaching,learning,instructional video,fraction game,Fraction Bars,Albert B. Bennett,Jr.

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