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Arrow Arithmetic 1

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.

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Arrow Arithmetic 2

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

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Arrow Arithmetic 3

How can you use twizzles to multiply and divide?

Twizzle Wind Up

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2
Don't worry too much about the shape of the loops.

Just worry about the special points the question asks you to look at.

Look at whether the loops enclose these points and if so, how many times they loop around it.