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This Generalizing Patterns: The Difference of Two Squares lesson plan also includes:
- Generalizing Patterns: The Difference of Two Squares
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After completing an assessment task where they express numbers as the difference of squares (i.e., 9 = 5^2 – 4^2), class members note any patterns that they see in the problems.
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CCSS:
Designed
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Instructional Ideas
- Use the assessment task as a problem of the week, allowing time for the class to come up with solutions
Classroom Considerations
- While the task starts off with numerical expressions, the lesson does progress to algebraic expressions, so pupils need to have experience with algebra
- Lesson can be split into two days, as indicated in the teacher guide
Pros
- Activity encourages young mathematicians to think critically
- Answer key includes a variety of approaches to find the solution
Cons
- None