Snoot and Fin partition two digit numbers to make multiplying them easier.

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

You may want to multiply cells or numbers in Microsoft Excel to analyze data. Here's what you need to know to do it.

We'll explore how this shortcut works for both two-digit numbers multiplied by themselves, and even for multiplying two different numbers ending in 5.