Jul31
Mental Math: Multiplying by 25 and 75
In this post we are going to learn a simple way of multiplying by 25 and 75. First, we’ll learn the method and then we’ll give mental math a shot. Multiplying by 25: The number 25 is 100 divided by 4. So, in order to multiply by 25 what we have to do is […]
Continue reading »