PUZZLES

Free, fun, and meaningful math for all

Every JRMF puzzle is hands-on, play-based, and standards-aligned.

We design our activities to have a low floor so that anyone can find a way to engage and a high ceiling so that everyone can find a meaningful challenge.

All of our puzzles come with free festival guides that help you use our activities at home, in the classroom, or during math festivals.

3rd - 12th Grade Number

Arithmagons

Which number should you place in the circle?

Let's play

3rd - 12th Grade Number

Cat, Dog, and Mouse Magic

Can you guess the secret number?

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For All Ages Number

Catch Up

Can you make the longest line?

Let's play

3rd - 12th Grade Number

Chameleon Island

Help all the chameleons on the island change into the same color.

Let's play

3rd - 12th Grade Number

Countdown

Be the player to take the last token!

Let's play

For All Ages Number

Dice Bingo

Can you make a winning bingo card?

Let's play

3rd - 12th Grade Number

Dueling Dice

Can you make a better die than your partner?

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3rd - 12th Grade Number

Graceful Gourds

Can you gracefully label these pumpkin patches?

Let's play

3rd - 12th Grade Number

Ladybugs

Help as many ladybugs as possible land on the leaves.

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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?

Let's play

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.

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3rd - 12th Grade Number

Stepping Stones

Can you find a way to place the next stepping stone?

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