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#### Resources tagged with Representing numbers similar to Twizzle Arithmetic:

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### There are 13 results

Broad Topics > Numbers and the Number System > Representing numbers

### Twizzle Arithmetic

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

Arrow arithmetic, but with a twist.

### Arrow Arithmetic 1

##### 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.

### Arrow Arithmetic 3

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

How can you use twizzles to multiply and divide?

### Arrow Arithmetic 2

##### 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.

### Fibonacci's Three Wishes 1

##### Age 7 to 14

First or two articles about Fibonacci, written for students.

### Balance Power

##### Age 11 to 18 Challenge Level:

Using balancing scales what is the least number of weights needed to weigh all integer masses from 1 to 1000? Placing some of the weights in the same pan as the object how many are needed?

### Twizzle Wind Up

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

A loopy exploration of z^2+1=0 (z squared plus one) with an eye on winding numbers. Try not to get dizzy!

### Twizzle Twists

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

Make the twizzle twist on its spot and so work out the hidden link.

### A Story about Absolutely Nothing

##### Age 7 to 18

This article for the young and old talks about the origins of our number system and the important role zero has to play in it.

### Galley Division

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

Can you explain how Galley Division works?

### Twizzles Venture Forth

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

Where we follow twizzles to places that no number has been before.

### Napier's Location Arithmetic

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

Have you seen this way of doing multiplication ?