September 20-26 Problem of the Week

Sep 20, 2022 | Boulder

Check out our new problem of the week!

Rules:

  • You must solve the problem without an assistance.
  • You can solve your grade level and up, but not any problem below your level.
  • Put your answer on the answer slip and drop it in the POTW raffle container and we will draw once per month from all of the correct answers for 5 star cards.