Activity
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Formulas

For Students 9th - 10th
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
eBook
Math Planet

Math Planet: Algebra I: Quadratic Equations: The Quadratic Formula

For Students 9th - 10th Standards
Provides an explanation, examples, and a video lesson all related to the quadratic formula. [2:45]
Handout
Math Words

Mathwords: Terms and Formulas From Algebra I to Calculus

For Students 9th - 10th
Mathwords is "an interactive math dictionary with enough math words, math terms, math formulas, pictures, diagrams, tables, and examples to satisfy your inner math geek." Written by a teacher of high school and college students,...
Unit Plan
Math.com

Math.com: Equations and Inequalities: Formulas

For Students 6th - 8th Standards
The tutorial explains how learners can solve a formula for any of its variables using the rules for solving equations. Notes, examples, and practice problems are included in the resource.
eBook
Math Planet

Math Planet: Algebra 1: Radical Expressions: The Distance and Midpoint Formulas

For Students 9th - 10th Standards
Distance and midpoint formulas are explained through the use of examples and a video lesson. [1:58]
eBook
Math Planet

Math Planet: Algebra 2: The Quadratic Formula

For Students 9th - 10th Standards
Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]
Handout
Math Is Fun

Math Is Fun: Derivation of Quadratic Formula

For Students 9th - 10th Standards
The learning resource investigates the quadratic formula. Students learn how the formula is derived by completing the square and solving for x.
Handout
Math Medics

S.o.s. Math: Quadratic Formula: Completing the Square

For Students 9th - 10th Standards
This tutorial explains the quadratic formula by reviewing its origin from the process of completing the square. Includes examples and a few 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.
Unit Plan
Math Planet

Math Planet: Pre Algebra: Measure Areas

For Students 4th - 6th Standards
Demonstrates how to calculate the area of two-dimensional shapes using formulas. Covers parallelogram, triangle, trapezoid, and circle. Includes a video modeling how to find the area of a circle and a triangle. [0:59]
Activity
Math Medics

S.o.s. Math: Quadratic Equations Quadratic Formula

For Students 9th - 10th Standards
Here you can find a general overview of the quadratic formula, complete with a full breakdown of how to come up with the quadratic formula with a quadratic equation, as well as am example of using the quadratic formula to solve a...
Unknown Type
University of Saskatchewan (Canada)

University of Saskatchewan: Algebra 1 Review

For Students 9th - 10th Standards
A more advanced review of algebra concepts and practice review problems ranging from the basic rules of algebra to polynomials. A good test of readiness for higher level math courses.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Quadratic Equations

For Students 9th - 10th Standards
A detailed tutorial that will guide you through various methods for solving quadratic equations: factoring, square root, completing the square, and quadratic formula. Follow step-by-step examples, view video problem-solving...
Unit Plan
BBC

Bbc: Higher Bitesize Maths: Quadratic Theory

For Students 9th - 10th Standards
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Unit Plan
Other

Algebra Class: Solving and Graphing a Quadratic Equation

For Students 9th - 10th
Math teacher provides a unit on quadratic equations in which she explains the concepts of solving and graphing quadratic equations through numerous examples and graphs. Hyperlinks are available to each step that ultimately leads to...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Pythagorean Distance Formula

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the distance formula, including how it relates to the Pythagorean Theorem. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
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.
Activity
Wolfram Research

Wolfram Math World: Quadratic Equation

For Students 9th - 10th Standards
This MathWorld site shows how to derive the quadratic formula.
Website
Wolfram Research

Wolfram Math World: World's Most Extensive Mathematics Resource

For Students 9th - 10th Standards
MathWorld provides a huge mathematics encyclopedia detailing the concepts of geometry, algebra, calculus, discrete math, number theory, and other math topics--complete with formulas, diagrams, examples, and references for thorough...
Activity
Wolfram Research

Wolfram Math World: Topology: Topics

For Students 9th - 10th
A dozen topology topics are listed here for both the teacher's and the student's use. Knot Theory, Bundles, and Topology Structures are just some of the areas which are explored in depth. Detailed explanations and necessary sketches and...
Handout
Wolfram Research

Wolfram Math World: Parabola

For Students 9th - 10th Standards
This is an excellent site on parabolas. Examples and formulas are given.
Activity
Math Is Fun

Math Is Fun: Equations and Formulas

For Students 9th - 10th Standards
Learners investigate equations and formulas. The educational resource consists of notes about the concept, detailed examples, and practice problems.
Graphic
National Council of Teachers of Mathematics

The Math Forum: Lines and Slope: Chameleon Graphing

For Students 6th - 8th Standards
Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!