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

For All Ages Logic

Apple Picking

After a long day of picking apples, can you eat the last, juiciest apple?

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For All Ages Logic

Bridges

Can you build a bridge that connects all of the islands?

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For All Ages Number

Catch Up

Can you make the longest line?

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For All Ages Shape

Changing Colors

Can you make two of each shape? But they can't share the same colors!

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For All Ages Logic

Chocolate Fix

Can you make the perfect chocolate box for your customers?

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For All Ages Shape

Color Triangles

Create beautiful, colorful triangular patterns.

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For All Ages

Cover Up

Cover up some of the squares so that there is the right number of stars in each row and column.

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For All Ages Logic

Crack the Code

Crack the secret code in as few guesses as you can!

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For All Ages Number

Dice Bingo

Can you make a winning bingo card?

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For All Ages Logic

Domino Dissection

Can you tile the board using each domino exactly once?

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For All Ages Logic

Dot Parties

Can you make parties of connected squares and dots?

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For All Ages Shape

Hexaflexagons

Learn the mysteries of the simple yet surprising hexaflexagon, and take one home to show your friends!

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For All Ages Logic

Honey Bears

Can you place the bears around the honeypots?

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For All Ages Logic

Juice Jumble

Order these jumbled juices to make a beautiful rainbow.

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For All Ages Logic

Jumping Julia

Can you jump your way from start to finish?

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For All Ages Shape

Königsberg

Everything is made up of one, continuous line. Can you figure out what belongs in town?

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For All Ages Logic

Monster Town

Race your friends to find the patterns in these Halloween-themed SET cards!

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For All Ages Logic

Mosaics

Can you make each mosaic?

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For All Ages Logic

Panning for Gold

Among all the counterfeits there is only one true gold bar. Can you find it?

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For All Ages Shape

Pentominoes

Can you find a way to cover the shapes with pentominoes?

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For All Ages Logic

Pool Testing

Learn how doctors help patients using pool testing through this engaging game.

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For All Ages Logic

River Crossings

Help your wolf, goat, and cabbage cross the river.

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For All Ages Logic

Star Battle

Can you place the stars on the grid?

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For All Ages Shape

Tippy Toads

How many toads can you help sunbathe by balancing them on a lilypad?

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For All Ages Logic

Tower of Hanoi

Can you solve these puzzles based on an ancient legend, golden disks, and the end of the world?

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