Free on-line Tutorials:
Khan Academy
Math 100
Introduction to place value (5:58)
Place value 1 (2:24)
Place value 2 (4:08)
Place value 3 (5:19)
Introduction to exponents (3:02)
Math 212
Introduction to ratios (14:12)
Understanding proportions (1:24)
Find the unknown in a proportion (7:19)
Graphing proportions (12:44)
Direct and Inverse variation (9:53)
Inverse Variation Example (4:41)
Math 306
Intro. Pythagorean Theorem (8:34)
Exponent Rules - part 1 (9:42)
Exponent Rules - part 2 (7:43)
Exponent Rules - part 3 (4:52)
Addition and Subtraction of Polynomials (15:59)