A Box of Cubes
How many 1 inch cubes can fit in a rectangular box that is 10 by 6 by
3 inches?

3rd to 5th

A Carpenters Trisection
Explain whether or not the given method of trisecting an angle, using
only a carpenter's square, really works.

Geometry

6th to 8th, High School

A Championship Season
The Algenauts just finished a great season, winning 40 more games than
they lost. Can you figure out what their final record was?

A Dicey Situation
In this game players score points according to the difference between
the rolls of two dice. Which player would you rather be?

Math Fundamentals

3rd to 5th

A Dog, a Hog, and a Frog
Three animal friends want to cross a big swamp. How wide is that
swamp?

Algebra

3rd to 5th, 6th to 8th

A -for- Lunch
Two boys had lunch on a two-for-one coupon, plus taxes and tips.
What was their percentage of savings on the transaction?

Algebra, Financial Education

6th to 8th, High School

A Game from West Africa
This tic-tac-toe like game from Ghana has some good playing strategies
and some graph theory applications.

Discrete Math

High School

A Game of Dice
Find out who rolled a higher number in a dice game.

Primary

PreK to 2nd

A Gardening Puzzle
If a rectangular garden were 2 feet wider and 3 feet longer, it would
be 64 square feet larger. If it were 3 feet wider and 2 feet longer,
it would be 68 square feet larger. What are the dimensions of the
garden?

Geometry

6th to 8th, High School

A Great Way to Make Money
Is it better to rely on a weekly pay of $10, or take a chance on the
money that is in a paper bag?

Discrete Math

High School

A Happy New Year Wish
Explain how time differences are calculated and understood using longitude.

Pre-Algebra

6th to 8th

A Holiday Card
Find the ratio of the red area to the green area as the number of
squares approaches infinity.