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Many words have secret numbers hidden within! Discover them with this pair of quizzes. You can download a printable PDF quiz here.

You may have heard a climate scientist talking about ‘parts per million’ or ppm. If you want to get a handle on what that means, and how much CO2 is in our atmosphere, you’ve come to the right place!

For over a thousand years, people have been drawing intricate woven patterns known as Celtic knots. As we’re about to find out, there’s a lot of maths involved!

We’ve got a game for you to try. Grab a couple of dice, pens, paper and a friend: let’s go!

Binary is a way of writing numbers using two digits, typically represented by 1 and 0. It takes some practice to be able to read binary, but it’s the basis of how almost all computers do arithmetic!

Written by Gabrielle Tramby In this activity you’ll do maths like a computer. It’s a bit tricky, so younger readers may want to read the ‘What’s Happening?’ section first.

Grab some tokens and let’s go! Here’s a simple game to play with a friend.

See if you can work out this puzzle. You might like to use an advent calendar to solve it, or maybe you could work it out in your head first!

Here’s an easy game to try with a friend. All you need is a pen and paper.

This activity sounds super easy from the title, but there’s more to it than you might expect!