# sequence: arithmetic

### teacher overview

### teach-learn-practise

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**student self assessment**

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### NC information

A23 generate terms of a sequence from either a term-to-term or a position-to-term rule

A24 recognise and use sequences of triangular, square and cube numbers, simple arithmetic progressions,

A25 deduce expressions to calculate the *n*th term of linear **and quadratic **sequences