A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

Multiplication facts typically describe the answers to multiplication sums up to 10x10. Sums up to 10x10 are called "facts" as it is expected they can be easily and quickly recalled. You may recall ...

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

Although it looks a little bit like a magic trick, and in some way it is, this method is all about substituting numbers for lines. Japanese multiplication is also referred to as stick or line ...

What are you like at multiplications? Chances are if you're a mere mortal 2, 5s and 10s won't seem too taxing. But when it comes to figuring out what 42x21 is, you may wish somebody had shown you the ...

Swapping numbers for lines can make the hardest mental arithmetic seem easy peasy and this is how to do it What are you like at multiplications? Chances are if you're a mere mortal 2, 5s and 10s won't ...

Swapping numbers for lines can make the hardest mental arithmetic seem easy peasy and this is how to do it What are you like at multiplications? Chances are if you're a mere mortal 2, 5s and 10s won't ...