# Articles on Numbers

## The ‘new math’: How to support your child in elementary school

You may not know it, but the elementary math wars are raging. Our expert explains the 'new math' - why it works for kids, and how to do it.

## Millions, billions, trillions: How to make sense of numbers in the news

Today's news can often involve mind-bogglingly large numbers. A math professor shares some tricks for understanding it all.

## Five ways ancient India changed the world – with maths

High school students can blame ancient India for quadratic equations and calculus.

## Curious Kids: Why do we count to 10?

Why are there 60 minutes in an hour, and not 10? Why do we count up to 10, anyway? Quentin, age five, wants to know.

Let's say you want the perfect mix of friends and strangers at your next party. Mathematicians have been working on a version of this problem for nearly a century, and the answer is complicated.

## ‘Anumeric’ people: What happens when a language has no words for numbers?

From the Amazon to Nicaragua, there are humans who never learn numbers. What can these anumeric cultures teach us about ourselves?

## Countering the claims about Australia’s Aboriginal number systems

Australia's Indigenous people had many methods for counting, and they didn't use just numbers.

## Why old theories on Indigenous counting just won’t go away

There is plenty of evidence to show Australia's Indigenous people had ways of counting big numbers, yet the myth persists they couldn't count more than a handful of things. Why?

## Pi and its part in the most beautiful formula in mathematics

On international Pi Day it's time to look at Pi's position in unique formula that's praised much for its beauty in uniting several mathematical constants.

## Why ‘7’ is the luckiest number

And it's not all down to David Beckham...

## Extreme numbers: the unimaginably large and small pop up in recent experiments

Scientific advances – including the recent discovery of gravitational waves – force us to deal with numbers so extreme they're virtually inconceivable.