A brilliant Tarsia activity by Gill Hillitt on finding the intercepts of straight line graphs. These type of activities can be used to consolidate understanding of a given topic, and foster positive group work and co-operative learning. For more ideas on how to use these types of activities (including twists!) and to download the latest version of the wonderful free software to open this resource (and create your own), just click on the web-link. If you have any comments or feedback for Gill, please share them below.
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Good activity on finding axes intercepts for lines in the form ax + by = c. Absolutely loads of these Tarsia puzzles available from the link above along with the software and hints for use - brilliant resource.
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