Free Teaching Resources

Free Elementary College Geometry Textbook - Open Textbook LibraryThis free textbook is intended for a brief introductory course in plane geometry. It covers the topics from elementary geometry that a … read more

Click these links to view or print free Saxon Math Placement Tests:Saxon Math K-3 Placement TestSaxon Math Middle Grades Placement TestSaxon Math Homeschool Placement Test for Algebra 1Saxon Math Home … read more

1st Grade Math Games and Problems - CK-12These free 1st grade math skill building exercises include addition and subtraction to 20, addition and subtraction to 100, telling time, measurement and geome … read more

Advanced Algebraic Concepts and Applications in MathematicsMath can seem complicated, but with the right course it can be made quite simple. This advanced algebra course covers, in a clear and easy ma … read more

A Student's Guide to Tropical Marine Biology - Open Textbook LibraryA Student’s Guide to Tropical Marine Biology is written entirely by students enrolled in the Keene State College Tropical Marine B … read more