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Skill
Mathematics
EngineeringMathematicians decode the universe and discover its secrets hidden in numbers. We design puzzles and create visualizations to help explain these wonders to others.
19 Challenges
Easy
Popular
Tell a math joke
Mathematics
Easy
Popular
Guesstimate the number of stars in the universe
Astronomy
Medium
Teach a math trick
Mathematics
Hard
Popular
Write a logic puzzle
Mathematics
Easy
How To!
Why Mathemagic?
Magic
Medium
How To!
Read Minds
Magic
Medium
How To!
Predict Numbers
Magic
Medium
How To!
Pick the Numbers
Magic
Medium
Make 3d polyhedra
Mathematics
Medium
Make string art
Mathematics
Medium
Make an infographic
Mathematics
Medium
Create a homemade math tool
Mathematics
Medium
Make art with fractals
Mathematics
Medium
Measure something tall with a clinometer
Mathematics
Medium
Photograph and label the golden ratio
Mathematics
Medium
Scale a drawing with a grid
Mathematics
Medium
Count on an abacus
Mathematics
Medium
Make fractions with food
Mathematics
Hard
Design a probability game
Mathematics