Finding Common Denominators to Add

Part (a) of this task asks students to find and use two different common denominators to add the given fractions. The purpose of this question is to help students realize that they can use any common denominator to find a solution, not just the least common denominator. Part (b) does not ask students to solve the given addition problem in more than one way. Instead, the purpose of this question is to give students an opportunity to choose a denominator and possibly to compare their solution method with another student who chose a different denominator.  The purpose of part (c) is to give students who are ready to work symbolically a chance to work more efficiently.
Resource ID#: 43157 Type: Problem-Solving Task
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General Information

Subject(s): Mathematics
Grade Level(s): 5
Intended Audience: Educators educators, Students , Parents
Keywords: Finding Common Denominators to Add, finding, common, denominators, add, fractions, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, resource, free, freely available, problems-based learning, student activities, Florida Standards
Instructional Component Type(s): Problem-Solving Task
Resource Collection: Illustrative Mathematics

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