This video gives more detail about the mathematical principles presented in Combinations.
This video shows how to work step-by-step through one or more of the examples in Combinations.
Introduces the formula for combinations in order to find how many subsets of a certain number we can take out of a set of a given number.
Word Problems - Find the number of combinations of n elements taken r at a time
Introduces combinations and explains how to evaluate combinations as well as solve counting problems using combinations.
This lesson plan covers Combinations and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.