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#### Resources tagged with History of number systems similar to Couples:

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Broad Topics > History and Philosophy of Mathematics > History of number systems

### History of Fractions

##### Stage: 2 and 3

Who first used fractions? Were they always written in the same way? How did fractions reach us here? These are the sorts of questions which this article will answer for you.

### Keep it Simple

##### Stage: 3 Challenge Level:

Can all unit fractions be written as the sum of two unit fractions?

### Egyptian Fractions

##### Stage: 3 Challenge Level:

The Egyptians expressed all fractions as the sum of different unit fractions. Here is a chance to explore how they could have written different fractions.

### The Greedy Algorithm

##### Stage: 3 Challenge Level:

The Egyptians expressed all fractions as the sum of different unit fractions. The Greedy Algorithm might provide us with an efficient way of doing this.

### Pi, a Very Special Number

##### Stage: 2 and 3

Read all about the number pi and the mathematicians who have tried to find out its value as accurately as possible.

### Negative Numbers

##### Stage: 3

A brief history of negative numbers throughout the ages

### Fibonacci's Three Wishes 1

##### Stage: 2 and 3

First or two articles about Fibonacci, written for students.

### Mathematical Symbols

##### Stage: 1, 2 and 3

A brief article written for pupils about mathematical symbols.

### The History of Negative Numbers

##### Stage: 3, 4 and 5

This article -useful for teachers and learners - gives a short account of the history of negative numbers.

### The Development of Algebra - 2

##### Stage: 3, 4 and 5

This is the second article in a two part series on the history of Algebra from about 2000 BCE to about 1000 CE.