Khan Academy

Linear models word problem: book (K-A)

Linear models word problem: marbles (K-A)

Arithmetic sequence problem (K-A)

Arithmetic sequences review (K-A)

Converting recursive & explicit forms of arithmetic sequences 1 (K-A)

Converting recursive & explicit forms of arithmetic sequences 2 (K-A)

Explicit formulas for arithmetic sequences 1 (K-A)

Explicit formulas for arithmetic sequences 2 (K-A)

Recursive formulas for arithmetic sequences 1 (K-A)

Recursive formulas for arithmetic sequences 2 (K-A)

Converting recursive & explicit forms of geometric sequences (K-A)

Explicit & recursive formulas for geometric sequences (K-A)

Geometric sequences review (K-A)

Evaluating sequences in recursive form (K-A)

Extending arithmetic sequences (K-A)

Intro to arithmetic sequence formulas (K-A)

Intro to arithmetic sequences 1 (K-A)

Intro to arithmetic sequences 2 (K-A)

Sequences intro (K-A)

Using arithmetic sequences formulas (K-A)

Worked example: using recursive formula for arithmetic sequence (K-A)

Extending geometric sequences (K-A)

Intro to geometric sequences (K-A)

Using explicit formulas of geometric sequences (K-A)

Using recursive formulas of geometric sequences (K-A)