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
CK-12 Foundation
Ck 12: Algebra: Evaluation of Square Roots
[Free Registration/Login may be required to access all resource tools.] Evaluate square roots
CK-12 Foundation
Ck 12: Algebra: Solving Equations Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to find a right triangle's missing side lengths.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions
CK-12 Foundation
Ck 12: Geometry: Angle Measures in Given Quadrilaterals
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of unknown angles in given quadrilaterals.
CK-12 Foundation
Ck 12: Algebra: Estimation of Square Roots
[Free Registration/Login may be required to access all resource tools.] Approximate square roots to the nearest given decimal place
CK-12 Foundation
Ck 12: Algebra: Evaluation of Perfect Square Roots
[Free Registration/Login may be required to access all resource tools.] Recognize and evaluate perfect square roots
CK-12 Foundation
Ck 12: Algebra: Evaluation of Square Roots
[Free Registration/Login may be required to access all resource tools.] Evaluate square roots
Sophia Learning
Sophia: Roots and Powers in Equations
Sophia: Roots and Powers in Equations uses teacher tutorials and online assessments to introduce and analyze concepts such as addition and subtraction in roots, multiplication of roots, division of roots, root to exponent, roots and...
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.
Sophia Learning
Sophia: Simplifying Radical Expressions
This video lesson demonstrates how to simplify radical expressions by rationalizing the denominator. The tutorial includes detailed examples.
Sophia Learning
Sophia: Adding Radical Expressions With Like Radicands
Students watch a video lesson that demonstrates how to add like radicands. The tutorial provides examples and allows learners to practice on their own.
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.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Finding Square Roots
Get independent practice finding square roots. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Oswego City School District
Regents Exam Prep Center: Simplifying Radicals
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.
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.
Khan Academy
Khan Academy: Simplify Square Roots (Variables)
Simplify square roots that contain variables in them like square root of 27a. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Simplify Roots of Negative Numbers
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.
Physics Aviary
Physics Aviary: Quick Graphing/linearizing Program
This program was designed as a quick graphing program that students could use on a computer, tablet or smart phone when a more complex graphing program is not available. This program will let students plot up to 10 data points and then...
CK-12 Foundation
Ck 12: Algebra: Square Roots and Irrational Numbers
[Free Registration/Login may be required to access all resource tools.] Find the principal square root of numbers and simplify square root problems.
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.