BBC
Bbc: Angles
You can pick up some valuable pointers on angles and lines here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Khan Academy
Khan Academy: Secular Manuscripts
Not all manuscripts during the Middle Ages and Renaissance were religious in nature. This period abounded with volumes that contained histories, romances, fables, and legal and scientific writings. The rise of universities paralleled the...
Khan Academy
Khan Academy: Inclined Planes Review
Review the key concepts and skills for inclined planes, including how to write Newton's second law for forces parallel and perpendicular to the incline.
Other
Western Grammar: Module 2: Advanced Sentence Structure
Online grammar textbook explaining sentence structure provides definitions of different types of subordinate clauses and exercises related to this topic. There is also information on phrases and other components of sentences.
Towson University
Towson University: Ows: Miscellaneous Usage Errors Exercise 3
This is a 10-question, self-grading exercise/quiz on correcting sentences with Miscellaneous Usage Errors.
Towson University
Towson University: Ows: Grammar Evaluation 1 [Pdf]
This is a 24-question, grammar test requiring students to correct sentences with miscellaneous usage errors.
Towson University
Towson University: Ows: Grammar Evaluation 2 [Pdf]
This is a 22-question grammar test requiring students to correct sentences with miscellaneous usage errors.
Towson University
Towson University: Ows: Answer Key for Grammar Evaluation 2 [Pdf]
This is the answer key for a 22-question, grammar test requiring students to correct sentences with miscellaneous usage errors.
Towson University
Towson University: Ows: Grammar Evaluation 3 [Pdf]
This is a 22-question, grammar test requiring students to correct sentences with miscellaneous usage errors.
Towson University
Towson University: Ows: Miscellaneous Usage Errors Exercise 4
This is a 10-question, self-grading exercise/quiz on correcting sentences with Miscellaneous Usage Errors.
Other
Technical Tutoring: Linear Functions and Straight Lines
Learn how to write equations for linear functions in all three forms: point-slope, slope-intercept, and general. Also look at equations for parallel and perpendicular. The page gives an explanation of how to obtain the point slope form...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: A Babylonian Map of the World
A tablet of dark brown clay, much injured, dating from the 8th or 7th century B.C. The two large concentric circles indicate the ocean, or, as it is called in the cuneiform writing between the circles, the 'Briny Flood.' Beyond the ocean...