An interactive geogebra applet that models the how to proportionally scale up and down including using the unitarty method and non-calculator methods. It then extends to using proportion to compare ‘best buys’ including BOGOF examples. The applet generates progressively differentiated examples for modeling with your class. Please see the video for how the use the teaching aid. I have also included a set of differentiated worksheets with solutions. These are also previewed in the video.
The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in any web browser.
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£3.00