Butterfly house

https://docs.google.com/presentation/d/1xoEBLDaOxtgmTj37HJM2K9OCLrkWjXZA3PrWLq2hc98/edit?usp=drive_link{...}

Open top Boxes Peter Sullivan – Challenging Mathematical Tasks-P114 Have a plain sheet of paper that is 30 cm x{...}

A rich task about designing a new stained glass window for the school. A good task to explore arrays. Link{...}