Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Vedic Maths Tricks for Multiplication: Vedic Maths is an ancient calculation system comprising a collection of techniques and sutras to solve mathematical problems easily and faster. It includes 16 ...

The method that we learn in school is a long multiplication method. But this method is very time consuming. SO let’s learn a much faster way to multiply a 2-digit number by 11. Step 1 - Write 3 and 6 ...

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 ...

Of all the numbers that you can be tasked with multiplying, the number nine always seems like one of the more tricky numbers to wrap your head around. Maybe it’s because it’s a larger number to work ...

If there's one subject a lot of people really disliked at school (aside from P.E.) it was maths. Trying to work out all those equations, fractions and percentages gave me a stonking headache and I'm ...

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 ...

Recently, I asked the BuzzFeed Community for their best math trick. I'm not talking quantum physics here, but just, you know, an easy way to figure out how much butter I need if I'm doubling a recipe.