Reading a bar chart

You learn to read values from a bar chart.

How to work it out

  1. Find what you are asked about: a bar, point, cell or slice.
  2. Follow it to the scale and read the number at that mark.
  3. In a pie chart the whole pie is 100%.
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How tall is the Thursday bar?

  1. Find the Thursday bar.
  2. Follow its top to the left, to the number scale.
  3. The top is at 20.
  4. The Thursday bar is 20 tall.
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More examples

How tall is the Tuesday bar?

  1. Find the Tuesday bar.
  2. Follow its top to the left, to the number scale.
  3. The top is at 10.
  4. The Tuesday bar is 10 tall.
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How tall is the Wednesday bar?

  1. Find the Wednesday bar.
  2. Follow its top to the left, to the number scale.
  3. The top is at 20.
  4. The Wednesday bar is 20 tall.
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How much taller is the Thursday bar than the Monday bar?

  1. Read both bars first: Thursday is 20 and Monday is 12.
  2. Subtract the smaller number from the bigger one: 20 − 12 = 8.
  3. The Thursday bar is 8 taller.