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.
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....
CK-12 Foundation
Ck 12: Algebra: Irrational Square Roots
[Free Registration/Login may be required to access all resource tools.] Find approximate solutions to equations involving irrational numbers.
Fun Brain
Fun Brain: Tic Tac Toe Squares
Players simplify square roots to win the tic tac toe learning game.
CK-12 Foundation
Ck 12: Algebra: Nth Roots
[Free Registration/Login may be required to access all resource tools.] This lesson introduces and teaches how to evaluate nth roots. Students examine guided notes, review guided practice and attempt practice problems.
Khan Academy
Khan Academy: Roots of Decimals and Fractions
In this exercise, students practice finding the roots of decimals and fractions. Students receive immediate feedback and have the opportunity to get hints, watch a video, and try questions repeatedly.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Square Root?
Briefly covers the topics of square roots, decimal numbers, and perfect squares.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Solving Quadratic Equations by Finding Square Roots
Twenty-one problems where students practice solving quadratic equations by factoring.
Shmoop University
Shmoop: Basic Operations: Roots
The mathematics resource explores roots. Students examine the topic through class notes and examples. Practice problems with solutions are available to check for comprehension of the concept.
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: 4th & 5th Roots
Radicals are also known as roots. The most common are square root and cube root, but there are more.
Integrated Publishing
Integrated Publishing: Trinomial Squares
Discussion on trinomial squares. Includes examples as well as practice problems.
Doina Popovici
Math Play: Square Root Concentration Game
An interactive game where students can sharpen their skills for calculating simple square roots.
Other
Mathebook.net: Middle: Square Root
The online virtual self-checking resource has students practice calculating the square root of a number.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Properties of Square Roots
Find a quick, concise explanation of the properties of square roots. An example is given and clearly explained for each property.
ClassFlow
Class Flow: Exponents & Roots
[Free Registration/Login Required] This flipchart provides an explanation of exponents and roots.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational Numbers and Square Ro
Math Forum response to which numbers, other than squared positive integers, can be simplified as rational numbers.
Khan Academy
Khan Academy: Quadratics by Taking Square Roots
Analyze the process of solving a quadratic equation by taking the square root. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Other
Algebra Class: Solving and Graphing a Quadratic Equation
Math teacher provides a unit on quadratic equations in which she explains the concepts of solving and graphing quadratic equations through numerous examples and graphs. Hyperlinks are available to each step that ultimately leads to...
Doina Popovici
Math Play: Square Roots Millionaire Game
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.
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.