Handout
Paul Dawkins

Paul's Online Notes: Algebra: Quadratic Equations Part Ii

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that illustrate how to solve quadratic equations using complete the square then use that to derive the quadratic formula.
Lesson Plan
Scholastic

Scholastic: Solving the Unknown With Algebra

For Teachers 6th - 8th
Students will learn and reinforce skills for solving for unknowns, manipulating equations while keeping them in balance, using formulas to solve real-world challenges, and working with proportions, radicals and exponents.
eBook
Mathigon

Mathigon: Algebra: Sequences and Patterns

For Students 9th - 10th Standards
Explore this course in sequences and patterns including simple sequence, triangle and square numbers, terms, recursive formulas, and explicit formulas. Click on Trailer on the top left to watch an introductory video.
Activity
Other

Dans Math: Lessons: Intermediate Algebra

For Students 9th - 10th Standards
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester 1: Equations

For Students 9th - 10th
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Logarithm Functions

For Students 9th - 10th Standards
Detailed math tutorial introduces logarithm functions giving the basic properties and graphs. Also, discusses how to evaluate some basic logarithms including the use of the change of base formula, the common logarithm, log(x), and the...
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Khan Academy

Khan Academy: Recursive Formulas for Geometric Sequences

For Students 9th - 10th Standards
Find the recursive formula of a geometric sequence given the first few terms or given an explicit formula.
Handout
Cuemath

Cuemath: Algebraic Expression

For Students 9th - 10th Standards
This resource helps with understanding the concept of variables, constants, terms, and coefficients of any algebraic expression. Learn how to simplify algebraic expressions using algebraic formulas and the different types of expressions.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Quadratic Equations Study Guide

For Students 9th - 10th
This comprehensive study guide highlights the main terms and formulas needed to review graphing quadratic equations. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphs of Rational Functions Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand graphs of rational functions. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Linear Equations

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review graphing linear equations. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Systems of Linear Inequalities Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand systems of linear inequalities. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Solving Rational Equations Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review solving rational equations. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Properties of Exponents Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand properties of exponents. Examples are included.
Activity
Other

Karl's Calculus Tutor: Basic Algebra Concepts

For Students 9th - 10th Standards
This site is a comprehensive review of algebraic basics including equations, the distributive law, the equation of a straight line, quadratic equations, polynomials, the difference of squares, the Pythagorean distance formula, and...
eBook
Math Planet

Math Planet: Algebra 2: Distance Between Two Points and the Midpoint

For Students 9th - 10th Standards
Gain an understanding of how to find the distance between two points and the midpoint by viewing examples and a video lesson.
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.
Handout
Math Is Fun

Math Is Fun: Area of Triangles Without Right Angles

For Students 9th - 10th Standards
Learn how to find the area of triangles without right angles. Find the formula to use depending on the information you know about the triangle: base and height, three sides, or two sides and an angle.
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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...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Applications of Quadratic Equations

For Students 9th - 10th
Detailed math tutorial features notes and examples that review applications involving solving a quadratic equation including distance/rate problems and work rate problems.
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.
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.
Unit Plan
Cuemath

Cuemath: Quadratic Equations

For Students 9th - 10th Standards
A comprehensive guide for learning all about quadratic equations with definitions, quadratic formulas, how to solve them, solved examples, and practice questions.
Unit Plan
New York Times

New York Times: Steven Strogatz on the Elements of Math Series the New York Times

For Students 9th - 10th
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...