# BiDMAS

### teacher overview

### teach-learn-practise

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

1 | BiDMAStl1.pdf | BiDMAS1.pdf (print d/s 2 per page) | sign up for - use of timely practice
- training
to ensure students - retain their learning
- improve their accuracy
go to click the Free Trial button or email |

2 | BiDMAStl2.pdf | BiDMAS2.pdf (print d/s 2 per page) | |

3 | BiDMAStl3.pdf | BiDMAS3.pdf (print d/s 2 per page) | |

4 | BiDMAStl4.pdf | BiDMAS4.pdf (print d/s 1 per page) |

### NC information

National curriculum code and descriptions (partially) covered by the layers.

N3 use conventional notation for priority of operations, including brackets, powers, roots and reciprocals.

N6 use positive integer powers and associated real roots (square, cube and higher), recognise powers of 2, 3, 4, 5 **estimate powers and roots of any given positive number**

N7 calculate with roots, and with integer indices