Khan Academy Static

Topic A includes lessons 1-6 and covers generating equivalent expressions, writing products as sums and sums as products, using the identity and inverse to write equivalent expressions, and collecting rational number like terms.

9250_Simplifying_expressions.html

9251_Combining_like_terms_challenge_problem.html

9252_Simplifying_expressions_with_rational_numbers.html

9249_Intro_to_combining_like_terms.html

9256_Interpreting_linear_expressions_flowers.html

9255_Equivalent_expressions_negative_numbers_distribution.html

9257_Interpreting_linear_expressions_diamonds.html

9253_The_distributive_property_with_variables.html

9254_Factoring_with_the_distributive_property.html