You can adapt the curriculum you have to create rich tasks that invite reasoning and build students’ problem-solving skills.

Researchers have used metamathematical techniques to show that certain theorems that look superficially distinct are in fact ...

Elementary teachers can reap the benefits of differentiated instruction in math by leveraging existing resources.

Learning something on YouTube seems kind of modern. But if you are watching a 1957 instructional film about slide rules, it also seems old-fashioned. But Encyclopædia Britannica has a complete ...

You get change when you pay too much for an item. This happens when you are paying with money and you don’t have the exact amount. If someone pays with a card, they pay the exact amount, so they do ...