Expressions and equations
What is algebra?
Algebra is part of maths where we use letters to represent unknown values or values that can change.
Simplify algebraic terms
Algebraic expressions can be simplified by gathering like terms. Like terms are terms that feature the same variable, usually shown by a letter.
Substituting numbers into an expression
When you know the value for letters in an algebraic expression you can substitute these values into the expression and solve it.
Solve linear equations
An equation is a mathematical expression that features an equals sign. Solving an equation means finding a missing value, which is usually shown by a letter.
Create and solve simple equations
An equation is a mathematical expression that contains an equals sign. Creating an algebraic equation is a useful step to finding an unknown value. You can solve an equation by using inverse mathematical operations.
Create and use algebraic formulae
A formula is a mathematical rule that shows the relationship between different variables. A formula can be created and used for something that is calculated frequently.
