Here are the Word files used at the MEI Conference

Circle cards - The group work activity. All 4 sets of cards.

Straight line eureka - the instructions for using Geogebra and the activity sheet

Straight line eureka worksheet - the student sheet for the above activity

Fine tuning straight lines - the activity sheet

Fine tuning straight lines worksheet - the student sheet for the above activity

Quadratic curves - the instructions for the deep thought activity using Geogebra