Conclude by giving your students these challenges:

- The Cantor Set by NRICH
- Think of Two Numbers by NRICH
- Slick Summing by NRICH
- Twisting and Turning by NRICH
- A Curved Area

Conclude by giving your students these challenges:

- The Cantor Set by NRICH
- Think of Two Numbers by NRICH
- Slick Summing by NRICH
- Twisting and Turning by NRICH
- A Curved Area