Complete lesson - 4 circle theorems

Whole lesson.
starter - students label a circle with the circle parts.
Main -4 circle theorem, students move from home groups to expert groups, where they follow instructions to each find a circle theorem, then return to home groups to share and teach each other. Also a short matching activity for the class from the board as a plenary/consolidation, and short worksheet, differentiated, and questions for use with mini whiteboards. Several options here to use, probably more than one lessons worth.