Test then show: a learning design pattern
Nov 8 · 8 min read
There is a formula, known as the quadratic formula, that enables you to calculate if, and where, a parabola curve cuts the horizontal axis in a graph.

Most students learn this formula in early high school. A common method of teaching it is more or less as follows:
- Provide the formula
- Demonstrate how to use the formula to solve the equation…


