What are triangular graphs? L.O: To learn how to plot triangular graphs and interpret them. Do now: Underline/highlight key points from the employment structure sheet. Then stick in your book.

Triangular Graph Triangular graphs are used for representing different types of data, and are very useful when three components are involved. Think about what we have been studying what three different components could we compare? Primary Secondary Tertiary

Just like a pie chart or your bar graphs… Just like a pie chart or your bar graphs…. Triangular graphs are another way of showing data

Triangulation Pyramids 100 90 80 70 Primary 60 50 40 30 20 10

Triangulation Pyramids 10 20 30 40 50 60 70 80 90 100 Tertiary

Triangulation Pyramids Secondary 0 10 20 30 40 50 60 70 80 90 100

Triangulation Pyramids Triangulation Pyramids Triangulation Pyramids 100 90 80 70 Secondary Primary 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Tertiary

http://lorien.ncl.ac.uk/ming/Webnotes/sp3/triang/triplt.htm

Set targets to improve. What can you improve for next lesson?. Plenary Set targets to improve. What can you improve for next lesson?.