Difference of Squares

This Difference of Squares lesson plan also includes:

After a few examples, your class with be asking if this is math—or magic! Begin the transition to algebraic thinking through a self-guided tour using the difference of squares. Young mathematicians discover the relationship between squares of consecutive and non-consecutive numbers and work toward creating an equation using algebraic symbols to explain their results.

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CCSS: Designed
Instructional Ideas

  • Have class members check in at key stages of the lesson so you can move them quickly to the next step
  • Incorporate some of the included extensions to add a visual element to the lesson
Classroom Considerations

  • Consider making small working groups for the lesson so pupils can bounce ideas off of one another as they work to explain their results
Pros

  • Samples of actual student solutions provide helpful insight for teachers doing the activity for the first time
  • The teacher's guide contains tips for customizing the lesson based upon the needs of the class
Cons

  • None
Common Core

MP8