For Children

• The Emperor's New Clothes
• The Princess and the Pea
• The Alphabet Song

Arithmetic

• Least Common Multiples
• Greatest Common Divisors

Algebra

• Factoring: The Sum of Two Squares
• Factoring: The Difference of Two Squares
• Quadratic Formula example: 2x²+13x = 4x+35

Calculus

• Integration by substitution - example #1
• Divergence of the Harmonic Series

Number Theory

• Euclidean Algorithm - An example
• Fermat's Little Theorem
• Wilson's Theorem
• Diophantine Equation: ax+by=GCD(a,b)

General Knowledge

• The Greek Alphabet

Video Collections
Click on image to see the video collection.