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Why can't mathematicians add just like they multiply fractions? The resource provides a counterexample to show that the same rules for multiplying fractions do not work for addition. Using the counterexample, learners see the proper way to add fractions with common denominators.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- To start, use fraction models to demonstrate the addition of fractions
Classroom Considerations
- Pupils should understand fractions as division problems
- Assumes the class knows how to simplify fractions
- This video is hosted on YouTube
Pros
- Uses a fraction model to demonstrate why the improper way of addition does not work
- Includes mathematical terms to describe like fractions
Cons
- None