Worked examples and 133 questions in five exercises illustrating the substitution of positive and negative numbers into algebraic expressions. Answers included. “Substitution of Numbers into Algebraic ...
This resource is accompanied by an answer document. It is aimed at students who have been taught algebraic expressions, including collecting terms, multiplying out brackets, factorising and ...
In algebra, letters are used when numbers are not known. Algebraic terms, such as \(2s\) or \(8y\), leave the multiplication signs out. So rather than \(2 \times s\), write \(2s\), and rather than \(8 ...
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