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Enhancing the teaching of problem solving involving fractions

Enhancing the teaching of problem solving involving fractions. Cheryl McAllister Southeast Missouri State University MCTM December 2009 http://cstl-csm.semo.edu/mcallister/mainpage. Topics for today. The real life situations that generate the mathematics we do with fractions

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Enhancing the teaching of problem solving involving fractions

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  1. Enhancing the teaching of problem solving involving fractions Cheryl McAllister Southeast Missouri State University MCTM December 2009 http://cstl-csm.semo.edu/mcallister/mainpage

  2. Topics for today • The real life situations that generate the mathematics we do with fractions • Writing fraction word problems for specific operations • Solving fraction word problems

  3. Operations with fractions • Using manipulatives to reinforce what it means to add, subtract, multiply and divide fractions. • Addition – joining two sets • Subtraction – take-away or comparison of two sets • Multiplication – area of a rectangle or scaling • Division – partitive or measurement

  4. Problem solving using operations with fractions • Examples of problems using different contexts • Have students write their own problems, then trade with other students • Encourage students to draw diagrams to better understand word problems. What is the whole? What operation does the word problem describe? Does the answer make sense?

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