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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?

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Twizzle Arithmetic

Arrow arithmetic, but with a twist.

Arrow Arithmetic 1

Stage: 4 Challenge Level: Challenge Level:1
Think about what features of the arrow are representing the number 1.

Is the length important?

Is the direction important?

Sam, Hannah and Tim might have different ideas on what features mattered.