Khan Academy

Simple probability: yellow marble (K-A)

Combination formula (K-A)

Theoretical and experimental probabilities (K-A)

Handshaking combinations (K-A)

Theoretical and experimental probability: Coin flips and die rolls (K-A)

Intro to combinations (K-A)

Example: All the ways you can flip a coin (K-A)

Example: Combinatorics and probability (K-A)

Example: Different ways to pick officers (K-A)

Mega millions jackpot probability (K-A)

Probability with counting outcomes (K-A)

Compound probability of independent events (K-A)

Free-throw probability (K-A)

Independent events example: test taking (K-A)

Addition rule for probability (basic) (K-A)

Addition rule for probability Video (K-A)

Probability with Venn diagrams (K-A)

Conditional probability using two-way tables (K-A)

Simulation and randomness: Random digit tables (K-A)

Expected value (basic) (K-A)

Parabolas intro Video (K-A)

Graphing quadratics in factored form (K-A)

Quadratic word problems (factored form) Video (K-A)

Zero product property (K-A)

Quadratics by taking square roots: with steps (K-A)