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There's got to be a better way. Scholars learn that the distributive property does work with subtraction and not just addition. Using that fact, the video shows how to find the product of two numbers by rewriting a complicated number as a difference.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Provide opportunities where pupils need to determine how to compose or decompose the number to use the distributive property
- Ask classmates to write letters to an absent class member explaining why the distributive property works with subtraction
Classroom Considerations
- Pupils should be comfortable with the distributive property and commutative property
Pros
- Checks the answers by using addition
- Includes links to similar videos
Cons
- None