Scatter diagrams are used to explore patterns between two sets of data. The table shows the results of eight students' maths and science marks in an assessment. Construct a scatter graph that ...

A simplification of this scheme leads to a tuning method – “just intonation” – that involves smaller ratios and is more ...

The scale on the left graph is inappropriate. The numbers go up higher than necessary on both axes. This means the points are squashed into a small part of the graph area and are difficult to read ...

Tumshy is a retired teacher having spent 34 years teaching maths in Scotland. You can find his resources on his website, duggie.weebly.com, and on his TES page, tumshy. You'll also receive regular ...