* Here are some examples of mathematical problems for classroom and beyond using data/information about sustainability themes.
* Some examples are suitable for Stage 1 and Stage 2, others for Stage 3.
*Problems can be made simpler or more demanding to suit different student ability and experience levels. Figures in brackets are suggestions of how they might be made more difficult.
*All of them will be more effective with teacher support, structuring and guidance - and learning will be deeper and more powerful!