Courseversity

All lessons

Every published lesson is listed here.

Describe number relationships with rules, input-output tables and graphs.

Understand and graph simple inequalities on a number line.

Solve one-step equations with addition, subtraction, multiplication and division.

Understand equations and test whether a value makes an equation true.

Write equivalent expressions using the distributive property and collecting like terms.

Evaluate expressions by substituting values for variables.

Write and read algebraic expressions.

Use letters as variables to stand for unknown or changing numbers.

Solve practical percentage problems such as test scores, tax, tips and savings.

Increase and decrease quantities by a percentage.