Here are some helpful online resources that can be used for skill training, concept development, for fun, or as a complete curriculum. I use many of them myself when I tune my sessions to the individual needs of my students.
Common Core Sheets
Worksheets with solutions that are well aligned to the requirements of the common core standards.
Math 4 Children Plus
Numerous easy and fun worksheets, games, and quizzes for kindergarten through 7th grade.
Common Core State Standards
State standards in math K-12, for your reference. PDF as well as online version available.
Customize worksheets by choosing difficulty and number of problems, Kindergarten to Algebra 2.
Worksheets for skill-training from pre-algebra to calculus. For a fee, you can create more worksheets.
A list of math games, math books, and other online math activities for all ages.
Performance tasks, problems of increasing difficulty that combine different standards.
Explanatory videos and online practice problems (the most useful part), as curriculum or supplement.
Full math curriculum for all grade levels, from the East Coast and used in the Berkeley School District.
Online math textbooks used in some middle school and high school courses in Orinda and nearby.
Art of Problem Solving
Demanding online courses and online math books with practice problems, for excelling students.
Free/very affordable online textbooks in different subject areas, mainly college level.
A collection of >40 sites with science games and demonstrations, mainly for elementary school age.
40 fun demonstrations of science experiments, links to videos that will fascinate a young scientist.
Collection of facts, worksheets, games, formulas, and notes in all the sciences.
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