Conclude by giving your students this geometry puzzle.

Conclude by giving your students these challenges:

- All in the Mind by NRICH
- The Medieval Octagon by NRICH
- 2018 Math Kangaroo Levels 11-12 Problem #30 by STEM4all
- A Problem of Time by NRICH

Conclude by giving your students this geometry puzzle.

Conclude by giving your students these challenges:

- All in the Mind by NRICH
- The Medieval Octagon by NRICH
- 2018 Math Kangaroo Levels 11-12 Problem #30 by STEM4all
- A Problem of Time by NRICH