PBS
Pbs Learning Media: Exponents and Radicals: Targeted Math Instruction
This lesson focuses on exponents and radicals as they apply to problems involving squares, perfect squares, and square roots.
Khan Academy
Khan Academy: Special Products of Binomials
Find special products (perfect squares and difference of squares) of "advanced" binomials: binomials with leading coefficients other than 1; binomials with higher degrees; and binomials with two variables. Students receive immediate...
Alabama Learning Exchange
Alex: What's My Number
In this lesson plan, eighth grade students will learn the steps necessary to approximate the square roots of numbers that are not perfect squares. Students will use a number line as a visual aid to complete this task.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Square Roots and Irrational Numbers
Math Forum response to whether square roots of all non-perfect squares are irrational. Contains a proof showing that such cases are, indeed, irrational.
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.
CK-12 Foundation
Ck 12: Algebra: Solving Quadratic Equations Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review solving quadratic equations. Examples are included.
Sophia Learning
Sophia: Introduction to Roots and Radicals
Sophia: Introduction to Roots and Radicals uses teacher tutorials and online assessments to introduce and analyze concepts such as Even Roots, Negative Numbers, Odd Roots, Partial Root, Perferct Squares, Radicals Root, and Roots.
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.
Help Algebra
Help algebra.com: Simplifying Radical Expressions
Simplifying radicals that do not contain perfect squares can be done easily by following the steps outlined on this resource. Use the examples to see exactly how to do this.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify different forms of radicals.
Khan Academy
Khan Academy: Special Products of Binomials Intro
Find perfect squares of the forms (x+a)squared and (x-a)squared, and differences of squares of the form (x+a)(x-a). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cut the Knot
Cut the Knot!: What Is a Number?
Casual and clear but definitely upper-level discussion of rational, real, imaginary, and several other types of numbers. Links to related sites.
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.
CK-12 Foundation
Ck 12: Algebra: Fractional Exponents
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions and fractional powers
CK-12 Foundation
Ck 12: Algebra: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Recognize and identify irrational numbers and the set of real numbers
Curated OER
Eqnarray11
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.
Curated OER
Eqnarray23
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.
Curated OER
Eqnarray26
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.
Curated OER
Eqnarray29
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.
Math Aids
Math Aids: Exponents & Radicals Worksheets
Great resource to practice and strengthen math skills pertaining to exponents and radicals. Math worksheets are printable, may be customized, and include answer keys.
TED Talks
Ted: Ted Ed: Can You Solve the Secret Werewolf Riddle?
You're on the trail of a werewolf that's been terrorizing your town. After months of detective work, you've narrowed your suspects to one of five people. You've invited them to dinner with a simple plan: to slip a square of a rare...
TED Talks
Ted: Ted Ed: Underwater Astonishments
David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the...
Other
States of Matter and Properties of Gases: Terms
A very complete list of terms that are important to the study of gases. This resource is a web archive.
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