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For Common Core resources, teacher videos, strategies and lesson plans, go to Teaching Channel. Find great ideas and strategies in classroom teaching videos covering Math, Science, English, History and more.

AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts.

MathBlaster.com is an online adventure filled with wacky aliens, cool gadgets and math games for kids. Kids can learn math, meet wacky aliens and complete missions in outer space in this safe and secure environment filled with fun.

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Free math teaching resources, math games, center activities and math journal tasks for K-5 aligned with the Common Core State Standards for Mathematics.

Math Tutor DVD provides math help online and on DVD in Basic Math, all levels of Algebra, Trig, Calculus, Probability, and Physics.

A complete course in arithmetic. Book I of Euclid

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

YouTube is a place to discover, watch, upload and share videos.