In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

Einstein's 1917 paper, "Cosmological Considerations in the General Theory of Relativity," applied general relativity to the universe as a whole, establishing a firmer basis for cosmology. To create a ...

Check NCERT Class 10 Maths Chapter 7: Coordinate Geometry. Read all the topics given in this chapter thoroughly. Students must follow the NCERT books to make effective preparations for board exams.

Mathematics is often seen as a set of formulas and rules, but the Class 7 textbook Ganita Prakash Part 2 shows that it can be much more. The book links classroom lessons to India’s long history of ...

Mathematics might be more of an environmental science than we realize. Even though it is a search for eternal truths, many mathematical concepts trace their origins to everyday experience. Astrology ...

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. In Sarah Cuddihy’s 1st grade class at Driscoll School here, ...