# number machine

### teacher overview

### teach-learn-practise

teach-learn | practise-learn | timely practice | |

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2 | not written yet | ||

3 | not written yet | ||

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5 | numberMachine5.pdf | ||

6 | numberMachineTL6.pdf | numberMachine6.pdf | |

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8 | numberMachineTL8.pdf | numberMachine8.pdf | |

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10 | numberMachineTL10.pdf | numberMachine10.pdf |

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### NC information

N3 recognise and use relationships between operations, including inverse operations (e.g. cancellation to simplify calculations and expressions);

A7 where appropriate, interpret simple expressions as functions with inputs and outputs; **interpret the reverse process as the â€˜inverse functionâ€™; interpret the succession of two functions as a â€˜composite functionâ€™ (the use of formal function notation is expected**

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