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I was super excited to discover a mathematical variation of tic-tac-toe. Instead of playing with Xs and Os, Numerical Tic Tac Toe is a game of evens vs odds. I printed the even and odd numbers on different colors of paper to make it super clear which numbers belong to each person. You might have …

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Today I’m sharing the Sum to Twenty-One Puzzle with you. Previously, I have shared similar puzzles called Sum to Twenty and Sum to Thirty. These puzzles are the creation of Marcy Cook. They were shared in THINK ABOUT IT! Mathematics Problems of the Day which was published by Creative Publications in 1982. The book is …

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The 9-10-11-12 Challenge is actually four puzzles in one. Can you arrange the numbers 1 through 6 in the spaces of the triangular shape below so that each side sums to 9? Repeat the challenge for sums of 10, 11, and 12. I learned of this challenge from a collection of brainteasers that is no …

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Today I’m sharing a new puzzle with you called the 8 sticks puzzle. Yesterday, I bemoaned the loss of my classroom puzzle corner. I’ve been trying to come up with some ways to keep incorporating puzzles in my classroom in a pandemic-friendly manner. My favorite puzzles are the ones with pieces that students can manipulate. …

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It’s a lazy Saturday morning that is turning out to be lazier than I had initially planned since I’m currently stuck on the couch with a sleeping baby on top of me. That means it’s the perfect time to share another puzzle that my students tackled recently on our magnetic puzzle wall (AKA dry erase …

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Master the art of the squaring off puzzle! Rotate and arrange given rectangular pieces to create a perfect square, testing your problem-solving skills. Thanksgiving Break is here, and I am oh so grateful for these few days off. This year has felt like one long learning curve as I figure out what life looks like …

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