GCSE Maths Practice: bar-charts

Question 1 of 10

Find the range of values from a bar chart.

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\( \begin{array}{l}\text{A bar chart has bars of heights: 12, 16, 20, 24.} \\ \text{What is the range of values shown?}\end{array} \)

Diagram

Choose one option:

Identify maximum and minimum bar heights carefully.

Subtract the smallest bar height from the tallest bar height.