info@cut-the-knot.org
June 9, 2014
An educational website that helps students, parents, and teachers to learn math. It covers algebra, arithmetic, logic, probability and visual illusions.
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Posted in Mathematics
Offers more than 200 interactive mathematics games and 300 free mathematics worksheets and assessments. Read more…
Provides free math worksheets for teachers, parents, students, and home schoolers. Read more…
Offers comprehensive set of interactive arithmetic lessons. Read more…