Students will learn how to use the hyperbolic identities to solve hyperbolic equations.

Conclude by giving your students these challenges:

- Trusting the Tabloids by NRICH
- Shogi Shapes by NRICH
- One Out One Under by NRICH
- Sums on a Clock by Pierce School: Problem / Solution

Nine squares with side lengths \(1,\) \(4,\) \(7,\) \(8,\) \(9,\) \(10,\) \(14,\) \(15,\) and \(18\) cm can be put together with no gaps nor overlaps, to form a rectangle. What are the dimensions of the rectangle? Here's the solution.