Shodor Education Foundation
Shodor: Using Your Calculator
This site deals with using a calculator to help solve and evaluate mathematical problems. This site provides a lengthy chart of basic operations performed by calculators, examples of problems to be solved using a calculator, as well as...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rationalizing the Denominator
Tells how to rationalize the denominator when the radical has an odd index.
Texas Instruments
Texas Instruments: Square Roots
In this activity, students develop an understanding of the relationship between a number and its square root.
Texas Instruments
Texas Instruments: Walking the Fence Line
In this activity, students use the Geoboard to determine the perimeter of polygons. They learn to picture square roots visually as the side length of a square.
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.
University of Saskatchewan (Canada)
University of Saskatchewan: Algebra 1 Review
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.
Other
Platonic Realms: Conic Sections
A proof to show that the square root of two is an irrational number, followed by a shorter and even more beautiful proof.
Other
Square Root on Your Computer's Calculator
Site provides a tutorial on using a calculator to evaluate square roots.
Saddleback College
Algebra2 Go: Prealgebra
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.
Math Planet
Math Planet: Algebra 1: Radical Expressions: The Graph of a Radical Function
Provides detailed information about the graph of a radical function through the use of examples and a brief video lesson. [2:10]
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.
CK-12 Foundation
Ck 12: Trigonometry: Trigonometric Equations Using Factoring
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving trigonometric equations using factoring, square roots, and the quadratic formula.
CK-12 Foundation
Ck 12: Algebra: Multiplication and Division of Radicals
[Free Registration/Login may be required to access all resource tools.] In this lesson student learn about dividing square roots. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Multiplication and Division of Radicals
[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...
CK-12 Foundation
Ck 12: Algebra: Square Root Applications
[Free Registration/Login may be required to access all resource tools.] Solve applications using square roots.
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.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphs of Square Roots and Cube Roots
Seventeen problems present practice working with graphs of square roots and cube roots. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...
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.
CK-12 Foundation
Ck 12: Analysis: Square and Cube Root Function Families
[Free Registration/Login may be required to access all resource tools.] This lesson shows you how to look at the graph of a square root or cubed root function and determine the equation. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Algebra: Multiplication and Division of Radicals
[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...