Roll Reversal (counting, addition, manipulatives)

Roll Reversal (counting, addition, manipulatives)

Can you figure out the rules for Roll Reversal by just looking at this sample? We’ll explain the rules on the next few pages, but sometimes it’s fun to get your students to flex their inductive problem-solving muscles! We are going to use Cuisenaire rods....
Genetic Labyrinth (combinatorics, logic)

Genetic Labyrinth (combinatorics, logic)

Genetic Labyrinth (MathPickle, 2021) Genetic labyrinth is best used as an activity when learning what “7 choose 3” means in junior high or high school. Students should try to construct a puzzle after they solve one. What is the maximum number of steps...
Line Up (patterns, logic)

Line Up (patterns, logic)

Line Up (MathPickle, 2022) Lining Up is a puzzle that playfully explores partitions and proximity. If you want to see it played with kids go here.  The key to teaching the puzzle well is to look for symmetry and patterns. After you play it in a line – try it...
Squirrel Nutkin (counting, patterns)

Squirrel Nutkin (counting, patterns)

Squirrel Nutkin (Richard Guy et al., The Inquisitive Problem Solver, 2002) The theme is chosen from one of Beatrix Potter’s animals. I grew up with these stories in Belfast so I’m pleased to have found the perfect mathematical home for Squirrel Nutkin. 😉...