Serving advanced learners (and their teachers) since 2012.

Math Puzzles and Challenges

Fizz Buzz: A Counting and Divisibility Game
Fizz Buzz: A Counting and Divisibility Game
Ready for a tricky counting and divisibility game?
Gr 3-6
Why Is Our Calendar So Weird!?
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!
Gr 3-4
Contig
Contig
Roll three dice and combine them using any mathematical operation. But be strategic to maximize your points!
Gr 3-7
Crossing Every Bridge Exactly Once (aka Eulerian Paths)
Crossing Every Bridge Exactly Once (aka Eulerian Paths)
How can you cross each bridge in this city exactly once?
Gr MP, 2, 3, 4
Doubling Dollars
Doubling Dollars
Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!
Gr 3-6
What Makes A Math Puzzle Actually Puzzling?
What Makes A Math Puzzle Actually Puzzling?
This math puzzle fell flat. Why? Because puzzling isn’t about difficulty — it’s about something else entirely.
Parentheses: How big of a change can they make!?
Parentheses: How big of a change can they make!?
Two tiny parentheses. One expression. How big of a change can they make? Bigger than you think.
Gr 3-8