Try this ancient multiplication trick—halves and doubles, also called Egyptian or Russian math—where you repeatedly halve one ...

Microsoft Office Excel includes dozens of function options to help you automatically generate values in cells across a spreadsheet. If you have a lengthy column of numbers that you need to multiply by ...

When you multiply decimals by integers (whole numbers), you can use everything you already know about multiplying multi-digit numbers. You can use written or mental methods to multiply decimals by ...

The array can be shown as 5 groups of 3 showing that 5 x 3 = 15. Or it could be shown as 3 groups of 5 showing that 3 x 5 = 15. This demonstrates that multiplication is commutative. Image caption, ...

Pupils will be marked up for using traditional multiplication and division in an overhaul of primary school maths being unveiled today. The changes will spell the end for fashionable teaching methods ...