- Introduction to Counting Methods
- Lesson 1: Counting Principles Notes
- Lesson 2: Introducing Permutations and Factorial Notation
- Lesson 3: Permutations When All Objects are Distinguishable
- Lesson 4: Permutations When Objects are Identical
- Lesson 5: Exploring Combinations
- Lesson 6: Combinations
- Lesson 7: Solving Counting Problems
- Student Exemplars
- Unit Shared Resources
- Summative Assessments
Counting Methods Unit Plan
Combinations
Achievement Indicators:
4.1 Represent and solve counting problems, using a graphic organizer.
5.2 Determine, with or without technology, the value of a factorial.
5.5 Determine the number of permutations of n elements taken r at a time.
5.8 Generalize strategies for determining the number of permutations of n elements taken r at a time.
6.1 Explain, using examples, why order is or is not important when solving problems that involve permutations or combinations.
6.2 Determine the number of combinations of n elements taken r at a time.
6.3 Generalize strategies for determining the number of combinations of n elements taken r at a time.
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Lesson Links:
- Click here for ERLC Lesson Link. Please use this lesson as a framework for your own teaching environment.
- Click here for a pdf version of the same ERLC Lesson Link.
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Videos:
Combinations -- (Youtube)