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Want to learn more? Sign up for a free five-week email mini-course full of research-backed strategies to help students make sense of math. Give Cindy Cliche a math word problem, and she can tell you ...

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 ...

There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...