Anita's Way to Add Fractions with Unlike Denominators

This Anita's Way to Add Fractions with Unlike Denominators activity & project also includes:

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Could you develop your own way to add fractions with unlike denominators? An in-depth task has scholars examine a fictional conversation between several people in which they discuss a method of adding fractions with unlike denominators. The method requires scaling the fractions using a fraction bar model until the sum is an integer, then dividing by the scale factor.

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CCSS: Designed
Instructional Ideas

  • Select a few pupils to read the dialogue out loud as a skit
Classroom Considerations

  • Learners should already have knowledge of adding fractions with like denominators
  • An understanding of a รท b as the fraction a/b is necessary
Pros

  • Provides discussion questions to use with the class
  • Lists evidence of mathematical practices in the task
Cons

  • None