That Quiz
That Quiz: Raices and Potencias
This interactive activity is designed to practice the mathematical concepts of exponents and square roots. This activity may be used to develop students' understanding of these mathematical concepts.
Integrated Publishing
Integrated Publishing: Rational and Irrational Numbers
Content, suitable for an introductory algebra course, explains the difference between rational and irrational numbers, how to rationalize the denominator, how to evaluate radicals and the square root process. Practice problems included.
Illustrative Mathematics
Illustrative Mathematics: N cn.c.7 and a rei.b.4.a: Completing the Square
The goal of this task is to solve quadratic equations with complex roots by completing the square. Aligns with N-CN.C.7 and A-REI.B.4.aI.
Quia
Quia: Square Roots
This interactive matching game allows students to practice identifying the squares and square roots of numbers.
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.
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
Students solve simple square roots and receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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...
Khan Academy
Khan Academy: Simplify Square Root Expressions
Practice simplifying expressions with multiple radical terms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: 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...
Alabama Learning Exchange
Alex: The Elephants Truncate Roots
Learners will learn the process of finding where the square root of 2 is on the number line by truncating the square of a number between 1 and 2. They will also work with other square roots to learn how to order them on the number line....
Khan Academy
Khan Academy: 4th & 5th Roots
Radicals are also known as roots. The most common are square root and cube root, but there are more.
Oswego City School District
Regents Exam Prep Center: Complex Numbers
A wealth of material to help you plan classroom instruction on complex numbers: several lessons that cover the number i, square roots of negative numbers, and operations involving complex numbers; practice activities, some of which...
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.
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.
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.
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...
Common Core Sheets
Common Core Sheets: The Number System 8.ns.2 Worksheets
Print or create worksheets to assess students' understanding of radicals, square roots, and irrational numbers.
Other
Dan's Math: Basic Skills Topics
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.
Wolfram Research
Wolfram Math World: Square Root
This math site from Mathworld.com explains what a square root is including information on imaginary numbers and many links. This site also addresses the continued fractions of positive real square roots, in particular the square root of...
ClassFlow
Class Flow: Exponents & Roots
[Free Registration/Login Required] This flipchart provides an explanation of exponents and roots.
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Math Open Reference
Math Open Reference: Root (Of a Number)
Learn how to find the root of a number. Topics covered include two roots, roots of negative numbers, and imaginary numbers. This site offers descriptions along with multiple examples.