Khan Academy

Adding numbers with different signs (K-A)

Adding fractions with different signs (K-A)

Adding negative numbers on the number line (K-A)

Number equations & number lines (K-A)

Rational number word problem: checking account (K-A)

Adding & subtracting negative numbers (K-A)

Subtracting negative numbers review (K-A)

Absolute value as distance between numbers (K-A)

Interpreting numeric expressions example (K-A)

Interpreting negative number statements (K-A)

Negative number word problem: Alaska (K-A)

Multiplying negative numbers review (K-A)

Why a negative times a negative is a positive (K-A)

Why a negative times a negative makes sense (K-A)

Find the mistake: two-step equations (K-A)

Two-step equations with decimals and fractions (K-A)

Two-step equation word problem: computers (K-A)

Two-step equation word problem: oranges (K-A)

Testing solutions to inequalities (K-A)

One-step inequalities review (K-A)

Two-step inequality word problem: R&B (K-A)

Adding & subtracting fractions (K-A)

Distributive property with variables (K-A)

Factoring with the distributive property (K-A)

Equivalent expressions: negative numbers & distribution (K-A)