Pie charts look cooler than other kinds of charts. They're based on pie, after all, and seem less accountant-like than bars, bubbles, and lines. They ...

Learn how to use and read a pie chart with this KS2 Maths guide from BBC Bitesize. ... If the bus slice is a quarter of the pie, ... (12.5%): 45 degrees of the pie chart. 1 of 4.

But a bar chart may still be better for part-to-whole visualization if you have a lot of parts (more than five) or if the proportions of the pie slices aren’t easily identifiable (such as ...