Interactive
Fun Brain

Fun Brain: Tic Tac Toe Squares

For Students 6th - 8th Standards
Players simplify square roots to win the tic tac toe learning game.
Unit Plan
Khan Academy

Khan Academy: Simplify Roots of Negative Numbers

For Students 9th - 10th Standards
Rewrite square roots of negative numbers as imaginary numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Simplify Roots of Negative Numbers

For Students 9th - 10th Standards
Rewrite square roots of negative numbers as imaginary numbers.
Activity
Help Algebra

Help algebra.com: Roots

For Students 9th - 10th
After defining roots (radicals), this resource focuses on square roots. Examples are given to demonstrate how to simplify, find principal roots, and gives several properties of square roots.
Activity
Discovery Education

Discovery Education: Web Math: Simplify a Term Under a Radical Sign

For Students 6th - 8th Standards
This site walks you step-by-step through simplifying an expression under a square root sign. Type your problem into the "math solver," and your answer, complete with a full description, is provided.
Activity
Discovery Education

Discovery Education: Web Math: Simplify a Term Under a Radical Sign

For Students 9th - 10th
This site walks you step-by-step through simplifying an expression under a square root sign. Type your problem into the "math solver," and your answer, complete with a full description, is provided.
Activity
Other

Mathebook.net: Middle: Square Root

For Students 6th - 8th Standards
The online virtual self-checking resource has students practice calculating the square root of a number.
Interactive
Doina Popovici

Math Play: Square Roots Millionaire Game

For Students 7th - 9th
Show off your knowledge of radicals with this online game. Game requires students to add, subtract, multiply, divide, simplify, estimate, and graph expressions with radicals.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Rational Numbers and Square Ro

For Students 9th - 10th Standards
Math Forum response to which numbers, other than squared positive integers, can be simplified as rational numbers.
Activity
Other

Dan's Math: Basic Skills Topics

For Students 9th - 10th Standards
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Activity
Interactive Mathematics

Interactive Mathematics: Roots and Radicals

For Students 9th - 10th Standards
Here you'll find information on radicals: notation, symbols, and laws for simplifying. The information is brief, but easy to follow.
Activity
Oswego City School District

Regents Exam Prep Center: Simplifying Radicals

For Students 9th - 10th
Use this site to learn how to simplify radicals, even when the radical is not a perfect square. These examples will be a guide to you in simplifying all kinds of radicals.
Unit Plan
Sophia Learning

Sophia: Simplifying Radical Expressions: Lesson 5

For Students 9th - 10th Standards
This lesson will provide examples simplifying radical expression by applying the properties of square roots and prime factorization. It is 5 of 8 in the series titled "Simplifying Radical Expressions."
Activity
Help Algebra

Help algebra.com: Simplifying Radical Expressions

For Students 9th - 10th
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplify Expressions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers combining like terms.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplification of Radical Expressions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding, subtracting, and multiplying square roots.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multiplication and Division of Radicals

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to simplify expressions involving the multiplication and division of radicals. Students examine guided notes, review guided...
Activity
Oswego City School District

Regents Exam Prep Center: Millionaire Radicals

For Students 9th - 10th Standards
In a format like TV's "Who Wants to Be a Millionaire," students answer math questions about radicals to earn points and help their group win the game. Teachers need to create their own question bank, which allows this game to be used for...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplification of Radical Expressions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Simplify radical expressions by using distribution and rationalizing the denominator.
Activity
Interactive Mathematics

Interactive Mathematics: Simplest Radical Form

For Students 9th - 10th
The laws for simplifying radicals are presented along with several examples and exercises that put the laws to practice.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multiplication and Division of Radicals

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to simplify expressions involving the multiplication and division of radicals. Students examine guided notes, review guided...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplification of Radical Expressions

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify different forms of radicals.
Activity
Help Algebra

Help algebra.com: Rationalizing the Denominator

For Students 9th - 10th
Learn to simplify radical expressions by removing radicals from denominators. The demonstration includes both single radicals and binomials that require the use of a conjugate.