Khan Academy offers free, world-class education in various subjects including math, science, and arts, aiming to make learning accessible for everyone globally.

Explore CBSE Class 6 Math concepts with engaging lessons and practice exercises on Khan Academy.

Old version of our Class 9 course (may include outdated content)

Old version of our Class 10 course (may include outdated content)

Khan Academy offers free SAT Math preparation resources, including practice exercises and instructional videos, to help students excel in their SAT exams.

Subject Matter Expert - Math India (Remote) Telugu Localization Expert (Science) Remote Telugu Text Localization Expert - Freelancer Remote Telugu Video Localization Expert (Maths) - …

It's really confusing as there are about 50 different meanings of the word conjugate (both in Maths and other fields). I would have called it rationalisation of surds or something.

Sal uses estimation to determine if quotients are reasonable or unreasonable.

Learn second grade math—addition and subtraction with regrouping, place value, measurement, shapes, and more. (aligned with Common Core standards)

Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.