RESOURCE: Increasing/Decreasing by a Percentage Using a Ratio Table

This task uses faded examples to support students in calculating an increase or decrease of an amount by a percentage, using a ratio table. The task builds onto a great task by Colin Foster, found on his Mathematical Etudes website via https://www.foster77.co.uk/Foster,%20Teach%20Secondary,%20What’s%20The%20Deal.pdf

Download the task here:

Increase and Decrease by a Percentage.pptxDownload

Author: Gareth Evans

I have been a secondary Maths teacher at a north-west school for 4 years. I am a Head of House, www.coachinginschools.com accredited trainer and #mixedattainmentmaths advocate.

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