Multiplying Two Fractions

This Multiplying Two Fractions activity & project also includes:

Multiplying fractions doesn't need to be a mystery. An interesting task has scholars question why the standard algorithm for multiplying fractions works for all fractions. It requires them to read a conversation about a solution method and answer discussion questions on the topic. The method shows that multiplying by 2/3 is the same as multiplying by 2 and then taking by 1/3 of the product.

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CCSS: Designed
Instructional Ideas

  • Have the class act out the conversation as a skit
Classroom Considerations

  • Pupils should have experience with multiplying fractions with the standard algorithm
  • Knowledge of unit fractions is necessary
Pros

  • Includes reflection questions for instructors
  • Indicates evidence of mathematical practices
Cons

  • None