Khan Academy
Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere. All of the site's resources are available to anyone.
A+ Click features a collection of illustrated challenging math problems for students in grades one through twelve. The website helps students become problem solvers. No fees, no ads, no registration, no calculators and no frustration.
a+ click features a collection of illustrated challenging math problems for students in grades one through twelve. the website helps students become problem solvers. no fees, no ads, no registration, no calculators and no frustration.
the website has a graduated set of over 2300 problems, starting from the very simple to the extremely difficult. the website also includes hundreds of practical problems, brainteasers, and short math situations sms.
the problems include a short description and an illustration to help problem solvers visualize the model. the problems can be solved within one minute and without using a calculator. the tests adapt to student ability. to progress to a higher level, you must correctly answer five consecutive questions. the tests concentrate on understanding, spatial reasoning, and problem solving rather than math rules and theorems.
Official Website
Facebook
Twitter
mathematics kids-games geometry problems apuzzle