PUZZLES
Free, fun, and meaningful math for all
Every JRMF puzzle is hands-on, play-based, and standards-aligned.
After selecting a puzzle, scroll down and click on the Activity Guide button for a free PDF that has a materials list, adult guide, and activity handouts.
Many of our activities come with supplementary materials, including:
- 1) A Beginner Version guide (for PreK – 2nd grade students)
- 2) A Spanish Version
- 3) A Padlet that allows you to try out the activity digitally
3rd - 12th Grade
Number
Cat, Dog, and Mouse Magic – with numbers 0 – 80
Can you guess the secret number?
3rd - 12th Grade
Number
Cat, Dog, and Mouse Magic, Version 2 – with numbers 1 – 80
Can you guess the secret number?
3rd - 12th Grade
Number
Chameleon Island
Help all the chameleons on the island change into the same color.
3rd - 12th Grade
Number
Magic Flowers
Can you arrange 5 numbers into a Magic Flower in which every group of three numbers in a line adds up to the same magic number?
3rd - 12th Grade
Number
Prime Cubes
Armed with only your understanding of prime numbers, play against your friends to find the best way to fill in our colorful cube.
3rd - 12th Grade
Number
Stepping Stones
Can you find a way to place the next stepping stone?