Build a pyramid of sums. An interactive presents the first five rows of Pascal's Triangle as a pyramid. Pupils match missing entries in the pyramid and continue the pattern to determine entries of other rows. The learners use the entries to expand polynomials to various powers.

Concepts

pascal's triangle, binomial expansion, binomials, multiplication binomials, coefficients

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Conduct a mini-lesson on using Pascal's Triangle to expand a binomial
• Provide brief instruction on how to determine the entries on any row using combinations

Classroom Considerations

• Requires users to set up a free CK-12 account

Pros

• If users select the incorrect answer, it shows the correct one
• Contains hints for some of the challenges

Cons

• None

Common Core

HSA-APR.C.5