There are some basic properties of whole numbers any 3rd grader can tell you: Each number is represented by a single symbol, and followed by a single successor. Multiplication makes a number bigger; ...

How students are introduced to fractions in early grades affects how they approach more complicated mathematics—like algebra—in higher grades. It’s crucial that students learn how fractions behave ...

Right about now, your kids are probably enjoying their summer vacation with plenty of time floating around in the pool or at the beach. It’s hard to believe school starts in about a month for many ...