The slides are comprehensively linked to associated pedagogical guidance in the NCETM Primary Mastery Professional Development materials. There are also links to the ready-to-progress criteria detailed in the DfE Primary Mathematics Guidance 2020.

### Learning outcomes

1 | Pupils explain the relationship between the mean and sharing equally |

2 | Pupils explain how to calculate the mean of a set of data |

3 | Pupils explain how the mean changes when the total quantity or number of values changes |

4 | Pupils explain how to calculate the mean when one of the values in the data set is zero or missing |

5 | Pupils explain how to use the mean to make comparisons between two sets of information |

6 | Pupils explain when the mean is not an appropriate representation of a set of data |