Lesson Plan

The Binomial Theorem

Curated and Reviewed by Lesson Planet

Sometimes, there is a better way. Scholars develop Pascal's triangle as a method to arrive at the coefficients of binomial expansions as an easier method to expand binomials. The learners connect the formula for binomial coefficients to Pascal's triangle in the fourth instructional activity in a series of 23 in a Precalculus module. Class members realize Pascal's triangle or calculating binomial coefficients are more efficient than the tedious process of expanding a binomial by hand.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Show the class how to compute the binomial coefficients using a graphing calculator
Classroom Considerations
  • Requires individuals to know how to expand polynomials
  • Assumes pupils are familiar with powers of i
  • May want to split the lesson over two days
Pros
  • Includes detailed answer keys
  • Provides scaffolding suggestions
Cons
  • None
Common Core