Home | MIT + K12. EdX - Home. Udacity - 21st Century University. Khan Academy. From kindergarten to calculus, Khan Academy is here to help. Sharpen your skills with over 100,000 interactive exercises. Over 100,000 interactive exercises. You may have heard about our videos, but did you know that Khan Academy has fun interactive math exercises that cover skills ranging from counting to calculus, grade by grade?
Every exercise has step-by-step hints, so your child can practice as much as needed. Created and peer-reviewed by a team of math educators, our exercises include full coverage of US Common Core and beyond, ranging from early math through calculus. Every problem has interactive hints, step-by-step solutions, and videos, so students can get extra help when they need it. You can access each student’s problem history to identify learning gaps and provide additional guidance. Review student progress in real time. Stay up to date with your child’s progress.