Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
- Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
- Guided Notes →One page your students fill in and keep.
- Exit Ticket →Three items at the end of class. No student accounts.
- Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
- Homework →Assign practice; it grades itself.
S 405. Exhibit knowledge of simple counting techniques
S 603. Apply counting techniques
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S 405. Exhibit knowledge of simple counting techniques
S 603. Apply counting techniques
What you'll learn
- Solve applied ordered-arrangement problems (rankings, codes, seating, officer roles) by applying P(n,r) = n!/(n-r)! to count the arrangements of r items chosen from n, including the r = n case
- Explain why order matters in a given arrangement problem and name its n and r
- Evaluate factorial expressions, including n!, 0! = 1, and quotients such as n!/(n-r)! by cancellation
Review first:
Slides
Step through the lesson, or watch it as a narrated video
1
Permutations
✓ Start herePractice
Try it on your own
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