Narnia Bar Charts LO: to solve a problem by organising and interpreting data in bar charts.

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Presentation transcript:

Narnia Bar Charts LO: to solve a problem by organising and interpreting data in bar charts.

What do we know about bar charts already?

We know a bar chart should: * have a title. * have numbered and labelled axis. * have clear bars showing how much of something has been observed/recorded. * be numbered with sensible intervals. * answer questions about the data.

A bar chart always has a title. It might also have a ‘legend’. A bar chart always has a title. Vertical axis (y). Always labelled and numbered. This shows what the colour of each bar represents. The height of the bars show how many of something was scored/recorded. Horizontal axis (x). Always labelled.

How can we collect the information we need to construct a bar chart?

Make a frequency chart!

A frequency chart is similar to a tally chart…except you just write the number instead of recording by tally!

Like this… Aslan Peter Lucy Susan Edmund Mr Tumnus White Witch Favourite Character Frequency Aslan Peter Lucy Susan Edmund Mr Tumnus White Witch Mr Beaver Insert any other characters here

Your Quest Tables 1 and 2: What are the favourite Narnia characters in Year 3? * Use the given frequency chart and record the favourite Narnia characters in Year 3. * Create a bar chart showing the information you have collected.

Your Quest Tables 3 and 4: Which creatures appear most frequently in the final battle scene? * Use the given frequency information and chart and record how many times the creatures appear. * Create a bar chart showing the information you have collected.

Minoboars Lions Centaurs Witches Giants Mr Tumnus Satyrs Goblins Unicorns

Creatures Frequency Minoboars Lions Witches Goblins Satyrs Centaurs Mr Tumnus Giants Unicorns Minoboars

Your Quest Table 5: What are the favourite Narnia characters in Year 3? * Create a frequency chart to find out the favourite Narnia characters in the class. * Survey the class. * Create a bar chart, with a legend, showing the information you have collected. * Write some other questions your bar chart could answer.

A Tabitha Mellor production