Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator: Parallel, Perpendicular, Slope, Transversal
Practice using your graphing calculator for drawing parallel lines, perpendicular lines, slope, and transversals. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly...
Other
New York State Education Department: Eighth Grade Math, Book Three (2006) [Pdf]
Part three of three; The March 2006 8th grade Math test from the State of New York. The test is 12 open-response questions dealing with topics such as algebra (solve for a variable, write function rules), geometry (translations, parallel...
Khan Academy
Khan Academy: Equation Practice With Vertical Angles
Given algebraic expressions that represent a pair of two vertical angles, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.