Wrecked Angle -- Extra Square Inch
Equations Analysis Test #1

Equations Analysis Test #2

Cross Math

Mobius Card -- An Impossible Shape!

Math Magic Tricks by Martin Gardner

Number Trick

Matchboxes -- 1st Semester Calculus Words

Matchboxes -- 2nd Semester Calculus Words

Magic Squares

Epitaph on Diophantus' Tombstone

Phone Number Trick

Mathemagical Black Holes

Map Coloring

Sequences Puzzle

Geometric Sequences Puzzle

Trivia Magic Square

Harry Potter Logic Puzzle

Geometric Figures Puzzle

Petals Around The Rose

Who Missed The Boat? by Fred Pence

Polar Bear Game

The Right Angle -- Calculus

The Right Angle -- Calculus

The Right Angle -- Geometry Vocabulary

Math Aptitude Test

Math Aptitude Test #2

Math Aptitude Test #3

A Card Trick

Another Card Trick

Yet Another Card Trick

Still Another Card Trick

Some "Old" Numbers

Factors Puzzle

Diamonds #1 (like Minesweeper)

Diamonds #2 (like Minesweeper)

Math Vocabulary

Music by the Numbers

April Fool's Trick

Addition Trick

David M. Collison's Trimagic Square

The Transitive Property Logic Puzzle

The Story of Joe Sine

Finger Multiplication

Extension of Finger Multiplication

Another Number Trick