Algebraic expressions (grade 7)
Work with linear expressions: combine like terms, distributive property (expand and factor), substitution with multiple variables, and power laws for same-base exponents. For grade 7.
Available exercises
Evaluate an expression with two variables
Substitute values for a and b and compute the numeric result.
Expand using the distributive property
Expand an expression of the form k·(ax + b).
Factor out a common factor
Factor a common factor out of an expression ax + b.
Simplify a linear expression
Combine like terms and write the expression in canonical form.