Problem of the Month! – September 2025
This monthly post is a reminder to set aside a few minutes for yourself to take part in the joy of problem solving.
Give it a try, and feel free to leave a hint, but no spoilers! This week, share an observation or problem solving strategy that might help someone else get started. We’ll welcome solutions next week!
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How did you solve it?
We’d love to hear the journey you went on to solve Eight Numbers, Four Equations. What did you notice? What strategies did you try? What road blocks did you encounter? What emotions were you feeling while trying this?
Tell your story in words, a picture, or a video.
Ready for more?
Keeping the same layout (see image above) and still using the numbers 1-8, find a new arrangement of operations using +, –, ×, or ÷. Repeat operations are allowed. How many different arrangements can you discover where the boxes can be filled to create four true equations?