Skip to Content

The game of sim is an easy-to-learn pencil and paper game of drawing lines and avoiding triangles. Unlike many other similar pencil and paper games, there is always a winner!

Read More about Game of Sim

Several years ago, I spent my summer typing up numerous group work activities from Elizabeth Cohen’s Designing Groupwork. These activities included Guess My Rule, Rainbow Logic, and Broken Circles. Recently, I found a fourth activity in my filing cabinet that I had typed up, but I never ended up using since I tend to over-plan …

Read More about Master Designer

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 …

Read More about Ink Stain Matching Activity

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 …

Read More about Lonesome Llama Activity

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 …

Read More about Two Buckets Puzzle

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 …

Read More about 20 x 9 Challenge

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 …

Read More about 1-4-5 Square Challenge

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 …

Read More about Twelve Envelopes Puzzle

Day one and two are in the books! I’ll share a bit more about what I did with my classes on the first two days in a later post, but I want to go ahead and share the mathematical challenge I used with my students on the first day since I have got several questions …

Read More about Twos to Nines Challenges

My first introduction to the Panda Squares Puzzle was from one of my favorite inspiration sources: Twitter! I saw a tweet by Jenny Leake that sparked my curiosity. This curiosity led me to do a google search. I was pleasantly surprised to find David Butler‘s blog at the top of the search results. From his …

Read More about Panda Squares Puzzle

Last year, I learned about an activity called “Make a Million” from Julie Morgan who blogs at Fraction Fanatic. I tried this out with students several times throughout the year. It’s perfect for those awkward five minutes when you get through your lesson plan way faster than you expected. Kids LOVED it, but every time …

Read More about Make a Million Place Value Game