On Monday Elizabeth bought a guitar for £9
On Tuesday she sold it for £15
On Wednesday she bought it back for £32
On Thursday she needed money for a football match so she again sold her guitar, this time for £42.
Overall, did Elizabeth make or lose money?
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This activity is suitable for students of mathematics all around the world. Use the button below to change the currency symbol used to make it more relevant to your students. You may wish to choose an unfamiliar currency to extend your students' experience.
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:
However it would be better to assign one of the student interactive activities below.
Here is the URL which will take them to a related student activity.