Combinations and Permutations
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Objective
I can determine whether a problem requires the use of combinations or permutations based on whether order matters.
Part 1 of 3
Warm-up video
Unknown Channel · 4:34
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Explain the difference between a combination and a permutation in your own words.
Give an example of a situation where the order of selection is important. Is this a combination or a permutation?
Part 3 of 3
Exit ticket
Quick comprehension check
“A committee of 3 students is being formed from a group of 10. Does the order in which the students are selected matter? Explain why or why not, and state whether this situation requires combinations or permutations. A password for a website requires 8 unique characters. Does the order of the characters matter? Explain why or why not, and state whether this situation requires combinations or permutations. Four different prizes are to be awarded to four different people out of a group of 20. Does the order in which the prizes are awarded matter? Explain why or why not, and state whether this situation requires combinations or permutations.”
Sample answer included in the free materials
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