Activity
Texas Instruments

Texas Instruments: Study Cards

For Teachers 6th - 8th
Students use the StudyCard stack to review their understanding of squares and square roots.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
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...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Trigonometric Equations Using Factoring

For Students 10th - 12th Standards
[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.
Handout
Math Open Reference

Math Open Reference: Root (Of a Number)

For Students 9th - 10th Standards
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.
Website
Cool Math

Coolmath: Solving Quadratics Recap

For Students 9th - 10th Standards
This CoolMath resource reviews the ways to solve quadratic equations: factoring, finding square roots, and using the quadratic formula.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N cn.c.7 and a rei.b.4.a: Completing the Square

For Teachers 9th - 10th
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.
Unknown Type
That Quiz

That Quiz: Raices and Potencias

For Students 9th - 10th
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.
Activity
Oswego City School District

Regents Exam Prep Center: Millionaire Radicals

For Students 9th - 10th Standards
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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multiplication and Division of Radicals

For Students 9th - 10th
[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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multiplication and Division of Radicals

For Students 9th - 10th
[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...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplification of Radical Expressions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding, subtracting, and multiplying square roots.
Activity
Texas Instruments

Texas Instruments: Knowing About Numbers

For Teachers 9th - 10th
Students experience square roots, perfect squares, and absolute value to enhance their knowledge of numbers. Taking this awareness, students apply it to operations with integers.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Simplification of Radical Expressions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding, subtracting, and multiplying square roots.
eBook
CK-12 Foundation

Ck 12: 2.6 Solving Radical Equations

For Students 9th - 10th Standards
This section explores the process for solving radical equations, including those with square, third, and fourth roots. It also investigates how, when, and why some solutions that appear to be correct are incorrect, and are therefore...
Activity
Help Algebra

Help algebra.com: How to Rationalize the Denominator

For Students 9th - 10th
What do you do if the denominator contains a radical? This article explains how to rationalize a denominator that contains square roots, higher roots and the sums and differences of square roots. The examples also include problems that...
Interactive
Doina Popovici

Math Play: Powers Concentration Game

For Students 7th - 9th
A concentration game that allows students to show off their knowledge of powers and square roots.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Irrational Numbers; Rational Square Roots

For Students 9th - 10th Standards
Dr. Math responds to how one can tell whether a number is rational or irrational. A proof is discussed in the response.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Radical Equations

For Teachers 9th - 10th Standards
The purpose of the task is to show students a situation where squaring both sides of an equation can result in an equation with more solutions than the original one, because it is possible to have two unequal numbers whose squares are...
Handout
CK-12 Foundation

Ck 12: Algebra: Solving Quadratic Equations Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review solving quadratic equations. Examples are included.
eBook
Shodor Education Foundation

Shodor: Using Your Calculator

For Students 9th - 10th Standards
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...
eBook
Math Planet

Math Planet: Algebra 1: Radical Expressions: The Graph of a Radical Function

For Students 9th - 10th Standards
Provides detailed information about the graph of a radical function through the use of examples and a brief video lesson. [2:10]
Unit Plan
Cuemath

Cuemath: Complex Numbers

For Students 9th - 10th Standards
A comprehensive guide for learning all about complex numbers with definitions, operations on complex numbers, solved examples, and practice questions.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Multiplication and Division of Radicals

For Students 9th - 10th
Learn the steps necessary for multiplying and dividing radicals. The examples are easy to follow.