Editor's Note: I just thought I should mention that there's an ongoing, ever-evolving, and dramatically different presentation of this topic entitled Rounding 101 on my personal website. We'll start ...

I remember when I was a kid at school and the teacher first taught us how to round numbers. The technique he taught us is known as arithmetic rounding, also called round-half-up. In this case, values ...

"Rounding is my rock!" In this day and age, it takes creativity to keep the attention of children, and with the help of music, it's happening at one elementary school. Inspired my rapper Plies' "Rock" ...

Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In the last Math Dude episode, we learned the ins and outs of ...