### There are 4 results

Broad Topics >

Pre-Calculus and Calculus > Complex analysis

##### Age 14 to 16 Challenge Level:

The first part of an investigation into how to represent numbers
using geometric transformations that ultimately leads us to
discover numbers not on the number line.

##### Age 14 to 16 Challenge Level:

Introduces the idea of a twizzle to represent number and asks how
one can use this representation to add and subtract geometrically.

##### Age 14 to 16 Challenge Level:

How can you use twizzles to multiply and divide?

##### Age 14 to 16 Challenge Level:

Arrow arithmetic, but with a twist.