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I’m super excited about using this ink stain matching activity as a first day of school activity for next year. It’s a great conversation starter, and I can see it being used in many different types of classrooms and subjects as a beginning of year team-building activity. If you are still in school and looking …

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Lonesome Llama is an excellent first day of school activity/first week of school activity to teach students how to effectively communicate in a group. The activity is from IMP (Interactive Mathematics Program) Groups of students are provided with a deck of cards. Each card features a different llama’s house. Students must work together to figure …

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Most likely, you’ve ran across some variation of the two buckets puzzle at some time in your life. You have two buckets. One bucket holds exactly five gallons. The other bucket holds exactly three gallons. How can you measure exactly four gallons of water into the five gallon bucket? Groupwork Norms for the Two Buckets …

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Today I’m excited to share the 20 x 9 Challenge with you and your students. Last summer, I picked up a copy of Pierre Berloquin’s 100 Numerical Games at Goodwill for a couple of dollars. It’s turned out to be a good investment because it has served as inspiration for several fun classroom challenges. Want to …

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In my last post, I shared the Square Pi Puzzle and mentioned that I was updating some older puzzles that have been long-time favorites of my students. Today, I want to share another updated puzzle, the 1-4-5 Square Challenge. I originally shared this puzzle on my blog in May 2015 which seems like an eternity …

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I’m here today to share with you the Twelve Envelopes Puzzle. I’ve finally reached a point in the summer where my brain has started thinking about ideas for the new school year. Actually, I’ve been thinking about next year since around February or March, but I’ve finally stopped *just* thinking about next year and started …

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