Definition Characteristics A symbol that may take any value Usually a lower case letter. Example Variable 𝒙 is a variable in 𝟑𝒙 + 1 𝒔 and 𝒕 are variables in 𝟐𝟎𝒔𝒕 In your own words… Definition Characteristics A number, a variable or the product of a number and a variable Terms are separated by a + sign or a − sign. Term Examples In your own words… Definition Characteristics •A number that is next to a variable. It can be any type of number: positive, negative or fraction Coefficient Examples 3 is a coefficient of 𝑥 3𝑥 + 1 -7 is a coefficient of 𝑥 2 -7𝑥 2 + 1 In your own words… Definition Characteristics •To turn an expression into a product of factors It usually involves writing an expression with brackets Factorise Examples 30 → 𝟐 × 𝟑 × 𝟓 2𝑥 + 4 → 𝟐 𝒙 + 𝟐 𝑥 2 + 7𝑥 + 6 → 𝒙 + 𝟏 (𝒙 + 𝟔) In your own words…