Every child progresses at different levels, just like everyone learns to talk and walk at different times.
Generally speaking, if your English-speaking child is at least six years old by the end of the year, there are some standard things they should know and be able to do.
Honeybees: nature’s maths whizzes.
Honeybees are good at maths, but it was thought they could only count to four. That is, unless you present them with a task in which they are punished with a bitter-tasting drink for getting it wrong.
Numeracy has real implications for your life.
How mathematically proficient are you? And do you have the skills to back up your level of math confidence? The answers to those questions may have ramifications for your financial and physical health.
There are so many number systems! The ones you know now were developed over centuries but we are still making up more now.
The Romans were great engineers but they had a terrible number system. It didn’t even have zero.
If you thought multiplication tables at school were hard, imagine multiplying numbers with billions of digits.
To multiply two numbers by hand take a few steps but it's something we're taught in school. When dealing with big numbers, really big numbers, we need to a quicker way to do things.
Numbers are largely viewed as holding the truth. But this is an unrealistic expectation.
Some things are just tricky to measure.
Flickr/Patty O'Hearn Kickham
How useful is the information you get from the measure of any thing? That depends on what you chose measure in the first place, and that's not always clear.
Where did our written numbers come from?
Linguistic clues show how people around the world first developed mathematical thought.
Parents find new methods for learning math challenging, as they are different. But they work for children, building upon what they have learned about numbers and reinforcing the strategy they use for reading.
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.
Breaking down the big numbers.
Today's news can often involve mind-bogglingly large numbers. A math professor shares some tricks for understanding it all.
Bodleian Libraries, University of Oxford
High school students can blame ancient India for quadratic equations and calculus.
Nature gave us ten fingers, so it makes sense to count to ten. But what happens when we run out of fingers?
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.
Mapping connections at your next shindig.
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.
A Pirahã family.
From the Amazon to Nicaragua, there are humans who never learn numbers. What can these anumeric cultures teach us about ourselves?
Some of Australia’s Indigenous people even used body parts to help them count.
Shutterstock/Pics by Nick
Australia's Indigenous people had many methods for counting, and they didn't use just numbers.
The evidence shows counting was beyond more than a handful of numbers for Australia’s Indigenous people.
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 has an interesting relationship with some other unique constants 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.
Rebecca Naden / PA Archive/Press Association Images
And it's not all down to David Beckham...
It’s a lot of grains of sand, but numbers can get a whole lot bigger….
Scientific advances – including the recent discovery of gravitational waves – force us to deal with numbers so extreme they're virtually inconceivable.