Subtraction is taking away one number from another. When you subtract it gives you the difference between two numbers. Here are 7 blocks. If you take away three blocks, how many are left? There would ...

Subtraction is a fundamental math skill that kids learn early in their academic journey. While it's a crucial building block for more complex arithmetic, the process of "taking away" can sometimes ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

More, more, more! We seem to have an innate drive toward addition—blind faith that more is always better. We make our burgers bigger, add more toppings, and throw in a supersized order of loaded fries ...