Explore the effect of reflecting in two parallel mirror lines.
Explore the effect of reflecting in two intersecting mirror lines.
Explore the effect of combining enlargements.
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.
Introduces the idea of a twizzle to represent number and asks how one can use this representation to add and subtract geometrically.
How can you use twizzles to multiply and divide?