Math Medics
S.o.s. Math: Factoring: Some Special Cases
In this lesson, special cases of factoring are described, including perfect squares, difference of squares, and difference and sum of cubes. Exercises with answers included.
Other
Answermath: Raiz
An online root game which offers practice in mental math and times practice. When you submit the wrong answer, it provides the correct one. Students and teachers can choose square root or cube root problems. In Spanish, with links to...
Other
Calculator.net: Volume Calculator
Use these calculator tools to find the volume, in your choice of units, of a sphere, cone, cube, cylinder, rectangular prism, capsule, ball cap, conical frustum, ellipsoid, or square pyramid. Includes a reference section listing formulas...
Other
Calculator.net: Surface Area Calculator
Use these calculator tools to find the surface area, in your choice of units, of a sphere, cone, cube, cylinder, rectangular prism, capsule, ball cap, conical frustum, ellipsoid, or square pyramid. Includes a reference section listing...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: "Impossible" Geometric Constructions
Three geometric constructions students like to say are "impossible" are explained here. Trisecting an angle, squaring a circle, and doubling a cube are examined as being either possible or impossible, depending on the "rules" you use.
Help Algebra
Help algebra.com: Factoring Polynomials
Several types of factoring are covered in this article, including common factors, grouping, special factors, and completing the square. The examples include detailed explanations of the factoring process.
Other
Platonic Realms: The Irrationality of the Square Root of Two
An informative resource on the nature of Platonic Solids and what constitutes these figures.
CK-12 Foundation
Ck 12: Algebra: Irrational Numbers and Radicals Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review irrational numbers and radicals. Examples are included.
Quia
Ixl Learning: What Is Surface Area?
Brush up on your math skills relating to surface area then try some practice problems to test your understanding.
Math2
Math2.org: Polynomial Identities
This resource provides a list of polynomial identities, including formulas for squaring a binomial, FOILing a trinomial, factoring a difference of two squares, factoring a sum or difference of two cubes, and the Quadratic Formula.
Interactive Mathematics
Interactive Mathematics: Special Products
Several special products are presented here, including expressions with two variables, squaring binomials and trinomials, and products involving cubes.
Calculator Soup
Calculator Soup: Volume Calculator
Use this online calculator to calculate the volume of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, and spherical cap.
Calculator Soup
Calculator Soup: Surface Area Calculator
Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism
National Council of Teachers of Mathematics
Nctm: Figure This: Cut the Cake
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions including perfect squares, cubes and approximate square roots.
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Math Is Fun
Math Is Fun: Common Number Patterns
Developed by a mathematics teacher from the UK, this page identifies and illustrates several common number patterns.
National Institute of Standards and Technology (NIST)
International System of Units: Si Base Units
This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
TED Talks
Ted: Ted Ed: If Superpowers Were Real: Body Mass
What if manipulating body mass wasn't just the stuff of fantasies and comics? Is it scientifically possible to manipulate your body mass? In this series, creator and educator Joy Lin tackles superpowers and reveals just how...
PBS
Pbs Learning Media: Making Rock Candy
In this video segment from Cyberchase, two friends make rock candy while learning about 2-D and 3-D shapes.
Beacon Learning Center
Beacon Learning Center: The Facts Please, Mr. Mumble
This interactive web lesson teaches students about two-dimensional shape attributes.
Khan Academy
Khan Academy: Radical Functions & Their Graphs
Given the formula of a square-root or a cube-root function, find the appropriate graph. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: 4th & 5th Roots
Radicals are also known as roots. The most common are square root and cube root, but there are more.