### Lesson Details

**Name:**Substituting into Formulae**Code:**M.3.7.AB.9**Specification Reference:**A2**Keywords:**Replace, positive, negative, BIDMAS, calculate.**Objectives:**1. To understand what is meant by substitution in algebra. 2. To be able to substitute one value into basic expressions. 3. To apply this to substituting multiple values into more complex formulae.**Competency:**To understand what is meant by substitution in algebra.**Proficiency:**To be able to substitute one value into basic expressions.**Mastery:**To apply this to substituting multiple values into more complex formulae.

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