Solutions to POW

This page contains the official solutions to each Problem of the Week. After participants have had time to think, explore, and submit their ideas, the full explanations are posted here. Each solution highlights the key insight behind the problem and encourages learners to compare their reasoning with the presented approach. We hope these solutions deepen understanding and inspire creative problem solving.

check_circle About the Solutions

Our solutions are written to be educational — not just correct. Each published solution includes:

  • arrow_forward Step-by-step working — showing the full reasoning process from start to finish
  • arrow_forward Alternative methods — where possible, we show more than one way to solve the problem
  • arrow_forward Key concepts — highlighting the mathematical ideas and techniques involved
  • arrow_forward Common mistakes — pointing out frequent errors and how to avoid them

history Solutions Archive

Solutions are listed in chronological order, most recent first. Each one is published once its submission deadline has passed.

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Coming Soon

The first POW solution will be published once Week 1 submissions close. Check back soon.

school How to Use These Solutions

1

Try the Problem First

Always attempt the problem yourself before reading the solution. The learning comes from the struggle.

2

Compare Your Approach

Even if you got the right answer, compare your method with the official solution. You might discover a more efficient or elegant approach.

3

Learn the Concepts

Pay attention to the key concepts highlighted in each solution. These are building blocks for more advanced problems.

Submitted a correct answer? Check the Hall of Fame to see if your name has been listed among the top solvers!

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