This story was produced by The Hechinger Report, a nonprofit, nonpartisan news outlet focused on education. The Hechinger Report is a national nonprofit newsroom that reports on one topic: education.

Segue Institute for Learning teacher Cassandra Santiago introduces a lesson on word problems to her first graders one spring afternoon. Credit: Phillip Keith for The Hechinger Report The Hechinger ...

Let’s pretend you’re back in math class. You might need to figure out answers to the following questions: If your doctor gave you three pills and told you to take one every half hour, how long would ...