Math.com
Math.com: Numbers: Square Roots
The pre-algebra resource investigates square roots. Definitions, detailed examples, and practice problems are included.
AAA Math
Aaa Math: Squaring a Number
Notes and practice problems explore how to evaluate squared numbers.
University of Regina (Canada)
University of Regina: Math Central: A Geometric View of the Square Root Algorithm
Get a step-by-step explanation of the square root algorithm from a geometric perspective.
Texas Instruments
Texas Instruments: Square Roots
In this activity, students develop an understanding of the relationship between a number and its square root.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Potencias De Numerous Racionales
In Spanish. In this site you will practice working with whole and rational exponents with different interactive activities.
Oswego City School District
Regents Exam Prep Center: Millionaire Radicals
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...
University of Saskatchewan (Canada)
University of Saskatchewan: Square Roots & Other Radicals
This University of Saskatchewan site provides general information about square roots and other forms of radical equations.
AAA Math
Aaa Math: Evaluating Cubes
This site investigates cube numbers. Games and exercises are provided to practice the skill.
Math Planet
Math Planet: Pre Algebra: Square Roots and Real Numbers
Provides an explanation, examples, and a video lesson all related to square roots and real numbers. [1:59]
McGraw Hill
Glencoe Mathematics: Online Study Tools: Estimating Square Roots
This site gives a short interactive quiz which allows students to self-assess their understanding of estimating square roots.
Mangahigh
Mangahigh: Number: Use Exponents and Roots
Ecplore powers and roots and how they are inverse of one another.
CK-12 Foundation
Ck 12: Algebra: Square Roots and Irrational Numbers
[Free Registration/Login may be required to access all resource tools.] Learn how to find square roots and identify irrational numbers.
Discovery Education
Discovery Education: Web Math: Simplify a Term Under a Radical Sign
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.
Purple Math
Purplemath: Square Roots: Introduction & Simplification
Purplemath offers a well-described definition of radicals and square roots. The lesson is very easy to understand. Many examples.
Khan Academy
Khan Academy: Square Roots of Perfect Squares
Learn how to find square roots of perfect squares in this article. Also included are questions to test student's knowledge of the topic.
Math Warehouse
Math Warehouse: Square Root Calculator and Solver
Students can type any positive or negative number into the square root calculator. The calculator reduces the square root to its simplest radical form.
Mangahigh
Mangahigh: Number: Square and Cube Roots
Explore square roots and cube roots by testing your knowledge.
Other
How to Calculate Square Roots
Information on square roots in radical equations, along with information on the principal square root.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Squares and Square Roots
Get independent practice working with squares and square roots. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Math Is Fun
Math Is Fun: Cubes and Cube Roots
Examines cubes and cube roots. Topics include perfect cubes, how to cube a number, and the cube root symbol. The resource consists of explanations, examples, and ten practice questions.
Khan Academy
Khan Academy: Approximating Square Roots
Practice finding the approximate value of square roots by thinking about perfect squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: El Monosabio
This application has a simulation which computes the product of two numbers and the square of a number.
CK-12 Foundation
Ck 12: Algebra: Square Roots and Irrational Numbers
[Free Registration/Login may be required to access all resource tools.] Learn how to find square roots and identify irrational numbers.