Not StartedEnroll to Track
Lesson
Counting strategies
Permutations and combinations in problem solving.
LinksLesson 1 / 1
Lesson Notes
Section 1 / 7
- Choose between permutations and combinations.
- Use factorial notation.
- Solve multi-step counting problems.
Short segments for focus-friendly pacing.
Key Points
- Permutations: order matters
- Combinations: order does not matter
- Factorials grow quickly
- Simplify before calculating
- Check the question wording
Quiz Generator
Generate a short quiz from this lesson. Choose the formats you want, then run it.
Ask the Math Helper
Use this for step-by-step support. This is learning-first and shows reasoning.
External Links
Khan Academy: Counting and Probability (External)
External Khan Academy counting and probability lessons. Link-only with attribution.
Some lessons include links to external educational resources such as Khan Academy® or other independent providers. These resources remain hosted on their own platforms under their original licenses. UnCram does not charge for or redistribute this content and does not imply partnership, sponsorship, or endorsement by any external provider.