Art of Problem Solving's Richard Rusczyk uses casework to tackle some counting problems.
This video is part of our AoPS curriculum. Take your math skills to the next level with our advanced materials:
📚 AoPS Prealgebra Textbook: https://aops.com/store/book/prealgebra?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os
🖥️ AoPS Prealgebra 1 Course (Textbook Chapters 1-7): https://aops.com/school/course/prealgebra1-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os
🖥️ AoPS Prealgebra 2 Course (Textbook Chapters 8-15): https://aops.com/school/course/prealgebra2-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os
More interested in counting? Checkout our Introduction to Counting & Probability materials:
📚 AoPS Introduction to Counting & Probability Textbook:
https://aops.com/store/book/intro-counting?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os
🖥️ AoPS Introduction to Counting & Probability Course:
https://aops.com/school/course/intro-counting-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os
🔔 Subscribe to our channel for more engaging math videos and updates
