break down (partition) a number using your understanding of place value recall times-tables up to 9 x 9 multiply by multiples of powers of ten Multiply each of these numbers by the 1-digit number ...

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.

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

Multiplying three 1-digit numbers The process of multiplying three numbers together is similar to the process of multiplying two numbers, but it has one extra step.