Don’t like multiplication or stuck on a sum? Here’s a great trick to learn so you’ll never be confused again! Apparently it’s taught in Japanese schools and is best for very large maths questions like 13 x 23 = ?
Watch this clip to find out how to do it, then go and impress all your teachers and friends.
If you’re bit of a maths whiz or like figuring our tricks with numbers, then you might like to check out these cool books.