nctm.orgの競合サイトトップ10

desmos.com

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khanacademy.org

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deltamath.com

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teacherspayteachers.com

World’s most popular marketplace for original educational resources

mathsbot.com

hundreds of free manipulatives, models, tools, and activities to aid the teaching of mathematics. complimented with a huge bank of dynamically generated questions and answers.

getmoremath.com

Homeschool Math Practice Get More Math software helps teachers break the forgetting cycle in grades 3-11 with targeted practice that combines new material with spiral review to enhance long-term retention. For homeschool families, our advanced tools accompany your own home instruction. Diagnotics Exams Individualized Practice Spiral Review All Year Proficiency Reporting Real-Time Monitoring Exams with

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mathwarehouse.com

Our free online math lesson plans for grades 1-4 , based on the new common core and organized by topic and by grade level.

math.net

math topics explained online in an easy to understand way, covering primary math, algebra, geometry, trigonometry, probability, statistics, and calculus for k-12 students, teachers, and parents.