Category: BlogPosts

Sprouts

Sprouts is a paper-and-pencil game that can be enjoyed simply by both adults and children. Yet it also can be analyzed for its significant mathematical properties. It was invented by mathematicians John Horton Conway and Michael S. Paterson at Cambridge University in the early 1960s. Setup is even simpler than the popular Dots and Boxes […]

Three Men’s Morris

Three men’s morris is an abstract strategy game played on a three by three board (counting lines) that is similar to tic-tac-toe. Rules   Each player has three pieces. The winner is the first player to align their three pieces on a line drawn on the board. There are 3 horizontal lines, 3 vertical lines […]

Tsoro Yematatu

Tsoro Yematatu is a two-player that comes from Zimbabwe. Players first drop their three pieces onto the board, and then move those pieces to create a 3 in-a-row which wins the game. What makes this game more fun than traditional Tic-Tac-Toe is that pieces can jump over each other (without capture) which adds an extra dimension in the […]

NIM

NIM is a wonderful mathematics strategy game that has been around forever. At its most basic version, two players alternate turns taking objects from one or more piles. For each turn, a player removes at least one object. The winner of the game is the player who picks up the last object. Whenever I need […]

Equilateral Triangle Puzzle (original post)

At the start of the school year, I came across this tweet by @MathEqualsLove… This Week’s Puzzle: Equilateral Triangle. This puzzle is always a favorite! https://t.co/tPyH2w2spF #mtbos #iteachmath #teach180 #puzzlingclassroom pic.twitter.com/8Se6RJJepj — Sarah Carter (@mathequalslove) August 26, 2019 I loved the Equilateral Puzzle, so I finally got around to sharing it with teachers during a […]

Perfect Quiz Protocol

We have long known that the most important aspect of schooling affecting student achievement is the effectiveness of the teacher in the classroom (Wright, Horn, & Sanders, 1997). So then, what exactly do effective teachers do? Two well-known people, Hattie and Marzano, have long thought about this very question. Both have created long laundry lists […]

Multiplication facts with the Frayer model

I recently visited a 3rd grade class to share with the teacher ideas for teaching multiplication facts. She was particularly frustrated that her students were struggling with the larger facts – the sixes, sevens, eights, and nines. It was clear that while students had experience connecting multiplication with the idea of equal groups, students did […]