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 ...

Mental maths is when you do calculations in your head instead of writing them down. Sometimes, it's just as quick to do calculations in your head as it is to write down every step. You can add and ...

This post first appeared in Business Insider. The Common Core has come under fire by parents who say the new education standards make math needlessly complicated. Last week, the New York Times’ Motoko ...