Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!

Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Dan Finkel runs Math for Love with his wife, Katherine Cook. They have developed two games: Tiny Polka Dot: A math-enriched card deck for 3- to 8-year-olds. “It’s really flexible,” Finkel said. You ...

It’s no shocker that Harry and Hermione would know that 4 – 1 = 3. But what if I told you that this Harry and Hermione aren’t characters in Harry Potter stories — they’re stingrays. And they can still ...

Q: Our 10-year-old son has struggled with math at school and complains about it a lot at home. We worry that our daughter, a third-grader, is picking up from him the idea that math is hard and boring.

Mathematics is seen as the pinnacle of abstract thinking. But are we capable of filtering out our knowledge about the world to prevent it from interfering with our calculations? Researchers have ...