Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...

How do math teachers select curriculum materials, and what instructional practices do they use? A new EdWeek Research Center survey sheds some light on these questions. Earlier this month, Education ...