Key stage 3 Algebra 1.0 / 5 MathematicsAlgebra termsIGCSECIE Created by: chris_thalitaCreated on: 07-10-16 08:39 Term A number or a constant, eg x or 4y 1 of 15 Expression A combination of terms, eg 3f+4 2 of 15 Equation Two expressions separated by an equals sign 3 of 15 Formula Like an equation but having more than 1 variable 4 of 15 Identity An equation that is true, regardless of what values are chosen 5 of 15 Variable A letter used to represent a number 6 of 15 constant a single number in an expression or equation 7 of 15 collectliketerms To put terms that are the same together, eg 2x + x = 3x 8 of 15 unliketerms terms that cannot be added together, eg 2x + 2y is not 2xy 9 of 15 coefficient a number multiplied by a constant, eg 2x or 5g 10 of 15 exponent A power eg, squared or cubed or a square root 11 of 15 solve To find the value of a variable in an equation 12 of 15 Expand To multiply out brackets 13 of 15 Factorise To put brackets into an expression 14 of 15 sequence an ordered set of numbers,eg 1, 4, 9, 16, 25, 36 15 of 15

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