You can use different methods to multiply a two-digit number by a one-digit number in your head. Multiplying by 2 is the same as doubling. 27 × 2 = 54 You can visualise this using place value ...

To multiply two numbers by hand takes 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.

Multiplication of two numbers is easy, right? At primary school we learn how to do long multiplication like this: The long way to multiplication. David Harvey Methods similar to this go back thousands ...

The multiplication technique taught in grade school may be simple, but for really big numbers, it’s too slow to be useful. Now, two mathematicians say that they’ve found the fastest way yet to ...

Mathematicians have reportedly discovered a new way of multiplying two numbers together. The new technique is for really large numbers, and if it passes a peer-review, could be the fastest ...

TikTok users say their mind has been blown by a maths hack that allows them to multiply any number by 11 in a jiffy. The '11s trick' has gone viral online ...

You can solve a lot of multiplication calculations by working things out in your head. Knowing your times table facts is a great way to multiply smaller numbers in your head. However, there are ...