For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).

For decades, computer science students have been taught a central skill: using computers to solve problems. In practice, that ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 ...

These teacher-tested activities use free or familiar tools to help students think critically, create meaningfully, and ...

Many people think ISAs are complicated, and that perception isn't helped by the maze of options out there. But ISAs are simply accounts for your savings or investments that are tax-free forever. This ...

(New York City’s income tax was a flat 2% when it began in 1966.) Under Mamdani’s plan, the tax would be tacked on at the top, taking an additional 2% of incomes over $1 million, making the tax more ...