To an outsider, this looks like an unusual lesson. Fifth-graders at Harbor View Elementary School in Newport Beach are sketching rectangles to parse a story problem involving mangoes and fruit cups.

You have /5 articles left. Sign up for a free account or log in. When I was in graduate school, one of our teachers suggested to those of us planning to go on to ...

Magnificent Mistakes in Mathematics, by Alfred S. Posamentier and Ingmar Lehmann, is pretty much what the title suggests. This book discusses the role of math in our culture and how some of the most ...

Nearly two decades ago, international math and science tests revealed mathematics instruction in the United States as an inch deep and a mile wide. Since then, we have grappled with how to get depth ...

Seeing as Tuesday night is the deadline for filing tax returns, and seeing as data is FiveThirtyEight’s raison d’être, I was excited to find a set of statistics ...

For the project described in this article, I received funding from the Gauteng Education Development Trust and from the National Research Foundation. I am affiliated with a number of professional and ...

Feeling intimidated by numbers or equations? You’re not alone. Research on mathematics anxiety — defined as the tension or fear when dealing with math — shows it can seriously block learning. A ...

Filing taxes is never fun—and with all the forms to review and boxes to check, it's easy to miss one or accidentally put down incorrect information. But that lead to trouble with the Internal Revenue ...

The new reforms protect fundamental taxpayer rights and could possibly save Americans money and stress. For example, without clear notice of the 60-day deadline, countless taxpayers may have ...

One of the White House’s most consequential environmental rollbacks may be in self-inflicted legal danger. In trying to freeze gas-mileage rules for new cars and trucks, Trump officials have hit an ...