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
This lesson plan covers Combinations and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.