It might be easier with single digits. But what if you could multiply just as fast with 15 as well? Here’s how. Let’s try multiplying 79 by 15. Add a zero to the end of the number, making it 790. Divide it by 2. This gives us 790 / 2 = 395. Add those two … Read more
learn a simple way to solve quadratic equations Let’s learn a simple way to solve quadratic equations with an example. Let’s take x² – 18x + 45 = 0 Multiply the coefficient of x² by 45. Here it is 1*45=45 Multiply -1 with the coefficient of x. Here it will be -1* (-18)=18 Now, the … Read more
Not everyone is a math expert, but if you utilize certain straightforward math techniques, any math problem will be a piece of cake to solve! Many parents and students find arithmetic issues intimidating, especially when they contain enormous numbers and intricate calculations. Math shortcuts teach you how to answer problems fast, boosting pupils’ math confidence … Read more
In this tutorial, we are looking at the fast way of multiplying two two-digit numbers together. First, we’ll see if you can multiply some numbers together. I’ll give you a question which is twenty-one times thirty-one. I’ll give you six seconds to work that out. Go! So time’s up. So if you got the answer … Read more