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.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Geometric Sequences

For Students 9th - 10th Standards
Find a quick, concise explanation of geometric sequences. The formula for the nth term and several examples are given to help you understand how to find the nth term of a variety of geometric sequences.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Circumference

For Students 9th - 10th Standards
Find a quick, concise explanation of circumference. The formula for finding the circumference of a circle is explained.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Perimeter

For Students 4th - 7th Standards
Find a quick, concise explanation of perimeter. Perimeter formulas are given for common plane figures.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Recursive Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find a pattern and write a recursive rule. Students examine guided notes, review guided practice and attempt practice problems.
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.
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.
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.
Interactive
Government of Alberta

Learn Alberta: Midpoint Between Two Locations

For Students 9th - 10th
Find the midpoint between any two points using this java applet. The applet allows the user to pick any two points, see the segment and how the midpoint is found algebraically and graphically.
Activity
Wolfram Research

Wolfram Math World: Quadratic Equation

For Students 9th - 10th Standards
This MathWorld site shows how to derive the quadratic formula.
Activity
Texas Instruments

Texas Instruments: What's Up?

For Teachers 6th - 8th
Concepts and skills covered in this activity include writing keystroke sequences for formulas and converting between temperature scales.
Unit Plan
Sophia Learning

Sophia: Solving for Quadratic Equations

For Students 9th - 10th
Solve for x using the quadratic formula and complete practice problems. Assess learning with a quiz.
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
CK-12 Foundation

Ck 12: Algebra: Special Products of Polynomials

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Recognize patterns of polynomials that are the product of two binomials.