- If there’s time, and if students can use the quadratic formula, there’s a nifty way to introduce complex numbers that’s in the spirit of their historical discovery, via CME.
- Have students create the arithmetic for complex numbers on their own
- Complex rotations put kids in contact with a cool and deep pattern while giving them bating practice with multiplication and division
- There is a nifty way to visually represent the complex solutions of quadratic equations.
Still looking for:
- A good problem set that helps students see that complex roots come in conjugate pairs
For all of the posts on complex numbers, click here.