Activity
Math Is Fun

Math Is Fun: Quadratic Equation Solver

For Students 9th - 10th
The tutorial examines how to solve quadratic equations. The resource consists of detailed examples, an interactive quadratic equation solver, and explanations about the algebra concept.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Slope of a Straight Line

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics surrounding the slope of a line, including slope of horizontal, vertical, parallel, and perpendicular lines in addition to the formula and concept of slope. There are...
eBook
Mathigon

Mathigon: Algebra: Arithmetic and Geometric Sequences

For Students 9th - 10th Standards
This lesson focuses on arithmetic and geometric sequences using several examples and practice exercises.
Unknown Type
Khan Academy

Khan Academy: Converting Recursive and Explicit Forms of Arithmetic Sequences

For Students 9th - 10th Standards
Given the explicit formula of an arithmetic sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Math Drills

Math drills.com: Algebra Worksheets

For Students 9th - 10th
Download these worksheets to sharpen your algebraic skills. Sheets focus on missing numbers, translating, simplifying and evaluating algebraic phrases, rewriting formulas, solving linear equations, systems of linear equations and inverse...
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.
Activity
Math Medics

S.o.s. Math: Properties of Logarithms

For Students 9th - 10th Standards
Site provides the many properties of logarithms, including common and natural logarithms. Also gives examples and formulas for each.
Handout
Other

Chili Math: The Distributive Property of Multiplication Over Addition

For Students 6th - 9th Standards
The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.
Activity
Math Medics

S.o.s. Math: Algebraic Identities

For Students 9th - 10th Standards
This online tutorial contains the binomial formula and examples.
Website
Ducksters

Ducksters: Kids Math: Solving Algebra Equations With Addition and Subtraction

For Students 9th - 10th Standards
Kids learn about Solving Algebra Equations with Addition and Subtraction. Add and subtract from both sides. Example math problems are shown on page.
Website
Ducksters

Ducksters: Kids Math: Solving Algebra Equations With Multiplication and Division

For Students 9th - 10th Standards
Kids learn about Solving Algebra Equations with Multiplication and Division. Multiply or divide from both sides. Example math problems are found on the site.
eBook
Math Planet

Math Planet: Pre Algebra: The Pythagorean Theorem

For Students 9th - 10th Standards
Learn all about the Pythagorean Theorem by viewing examples and a video lesson.
Unknown Type
Khan Academy

Khan Academy: Algebra I: Sequences Word Problems

For Students 9th - 10th Standards
Given a verbal description of a real-world relationship, determine the sequence that models that relationship. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
eBook
Math Planet

Math Planet: Algebra 1: The Pythagorean Theorem

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrate the Pythagorean Theorem which provides us with the relationship between the sides in a right triangle. [4:41]
Activity
Purple Math

Purplemath: Systems of Non Linear Equations: Definitions

For Students 9th - 10th Standards
This Purplemath lesson provides formulas, equations, graphs and explanations of systems of equations.
Lesson Plan
Alabama Learning Exchange

Alex: Midpoint of a Line Segment.

For Teachers 6th - 8th Standards
Investigate finding the midpoint of a line segment and derive the formula for the midpoint of two points on a coordinate plane. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Sequences

For Students 9th - 10th Standards
An introductory tutorial on sequences, complete with important definitions, example problems and step-by-step solutions, and several practice exercises for you to complete and check. Provides good explanations and examples of arithmetic,...
Handout
Wolfram Research

Wolfram Math World: Vector

For Students 9th - 10th Standards
This site from Mathworld.com provides a detailed overview of vectors in algebra, and includes numerous formulas and examples.
Unit Plan
Wolfram Research

Wolfram Math World: Point Plane Distance

For Students 9th - 10th
Find the distance between a point and a plane using the algebraic formula for the plane and the Cartesian points. This MathWorld page has a labeled diagram to help clarify the equation variables.
Activity
Math Medics

S.o.s. Math: The "Cubic" Formula

For Students 9th - 10th
This tutorial supplies a general formula (similar to the quadratic formula) to find the roots of a cubic polynomial.
Unknown Type
Khan Academy

Khan Academy: Converting Recursive and Explicit Forms of Geometric Sequences

For Students 9th - 10th Standards
Given the explicit formula of a geometric sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
Unit Plan
Khan Academy

Khan Academy: Amplitude of Sinusoidal Functions From Equation

For Students 9th - 10th
Given the formula of a sinusoidal function, determine its amplitude. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Website
Math2

Tablas Matematicas De David

For Students 9th - 10th
Presented in Spanish, this site provides math tables and formulas from addition to calculus. Also links to a Spanish-English dictionary of mathematical terms.