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Topic: Algebraic Manipulation and Formulae (Higher - Unit 2)

Specification References: N4.2h N4.2h Distinguish in meaning between the words ‘equation’, ‘formula’, ‘expression’ and identity.

Candidates should be able to:

• understand phrases such as ‘form an equation’, ‘use a formula’ and ‘write an expression’ when answering a question
• Higher tier candidates should understand the identity symbol (see examples in 5.5h).

Notes

This reference includes all the requirements of N4.2 and some additional requirements for the Higher tier only.

This is part of the core algebra work required across all units. The core algebra work will be assessed so that it is linked to other specification references within this unit.

Candidates should also know the meaning of the word ‘term’.

The words ‘equation’, ‘formula’ and ‘expression’ and ‘identity’ will not be formally tested in this unit.

Examples

1. Write an expression for the number that is six smaller than n.

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