Expressions and one-step equations
Write expressions with a variable, evaluate expressions by substituting a value, solve one-step equations (x + a = b and a · x = b), and rewrite using the distributive property.
Available exercises
Distributive property – equivalent expressions
Expand a product or factor out a common factor.
Evaluating expressions
Compute an expression by substituting a value for the variable.
One-step equations – add and subtract
Solve an equation of the form x + a = b or x − a = b.
One-step equations – multiply and divide
Solve an equation of the form a · x = b or x ÷ a = b.
Writing expressions with a variable
Translate a description in words into an algebraic expression with a variable.