Unit Plan
Sophia Learning

Sophia: Finding a Formula for the Surface Area of a Cone

For Students 9th - 10th
This video tutorial demonstrates how to find the formula for the surface area of a cone.
Lesson Plan
Oswego City School District

Regents Exam Prep Center: Slopes and Equations of Lines

For Teachers 9th - 10th
Three resources for teaching slopes and equations of lines: a lesson with a formula for finding slope, different equations for lines, and several examples; a fourteen-question quiz covering slope, perpendicular and parallel lines, and...
Activity
Government of Alberta

Learn Alberta: Slope of a Line Segment

For Students 9th - 10th
This interactive Java applet allows visualization of line segments and their slopes. The slope and how it is found is given for each line drawn by the user.
Handout
Other

Mathway: Algebra Formulas

For Students 9th - 10th Standards
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Graphic
Mathematics Archives

Math Archives: Visual Calculus: Tangent Lines to Polar Graphs

For Students 9th - 10th
This site give the formula for finding the slope of the tangent line to a polar graph. The page offers step by step explanations and worked examples.
Whiteboard
ClassFlow

Class Flow: Definition of Slope

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Presents the definition of slope and the formulas for y-intercept form.
Activity
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Point Slope Form

For Students 9th - 10th
This Northeast Parallel Architectures Center of Syracuse University site contains a brief description of the point-slope form for equations along with the formula.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Whiteboard
ClassFlow

Class Flow: Straight Lines

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
Activity
Paul Dawkins

Paul's Online Notes: Algebra Cheat Sheet [Pdf]

For Students 6th - 8th
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
Handout
Oswego City School District

Regents Exam Prep Center: Parallel and Perpendicular Lines

For Students 9th - 10th Standards
This site displays formulas and examples, pertaining to slope, for parallel and perpendicular lines.
Website
Wolfram Research

Wolfram Math World: Algebra

For Students 9th - 10th Standards
MathWorld provides a basic overview of Algebra. Includes a few formulas and many links to related topics.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Coordinate Geometry Proofs

For Students 9th - 10th Standards
A lesson, practice activity, and teacher resource for exploring coordinate geometry proofs.
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...