This Maths article explains both the mental method and written method for multiplying a 2-digit number by a 1-digit number.

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.

We watched this example of how to multiply two digit numbers, and have been batting 1.000 on every combination. It's hard to say how well the trick holds up to your standard "multiply and carry" ...

This Maths article explains both the mental method and written method for multiplying a 2-digit number by a 1-digit number.

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, writes David ...