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 ...

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 ...

Learn how to multiply 2-digit numbers mentally with this step-by-step guide for kids. Discover simple techniques to boost calculation speed, improve mental math skills, and build confidence for ...

A North Carolina man who allegedly cracked the code to mentally calculate any multiplication problem is now offering to reveal his secret — for the bargain price of $33.

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.