Lesson Plan
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1
EngageNY

Radicals and Conjugates

For Students 10th - 12th Standards
Make the irrational rational again! Continuing the theme from previous lessons in the series, the lesson relates the polynomial identity difference of squares to conjugates. Learners develop the idea of a conjugate through analysis and...
Worksheet
Curated OER

Exponents and Radicals

For Students 9th - 12th
In this exponents and radicals worksheet, students simplify 31 radical and exponent problems.  Students rationalize denominators, multiply by conjugates, use exponent rules, and evaluate exponential and radical expressions.
Worksheet
Curated OER

Simplifying Radical Expressions

For Students 8th - 11th Standards
In a radical expressions worksheet, learners use the Product and Quotient Properties of Square Roots to simplify a variety of square roots. The worksheet begins with simple radicals, progresses to radicals involving fractions and...
Lesson Plan
Curated OER

Radicals: Addition & Subtraction of Complex Numbers

For Teachers 10th - 12th Standards
In this radical worksheet, students simplify complex numbers.  They find the sum and difference of complex numbers.  This two-page worksheet contains 11 multiple-choice problems.  Answers are given on the last page.
Worksheet
Curated OER

Rationalizing Denominators with Radicals

For Students 7th - 8th
In this radicals worksheet, students solve 10 different problems that include rationalizing the denominators in each problem. First, they rationalize the denominator. Then, students write the conjugate for each binomial. In addition,...
Lesson Plan
EngageNY

Complex Number Division 2

For Teachers 11th - 12th Standards
Individuals learn to divide and conquer complex numbers with a little help from moduli and conjugates. In the second lesson on complex number division, the class takes a closer look at the numerator and denominator of the multiplicative...
Worksheet
Curated OER

Rationalize Denominators

For Students 9th - 11th
Solve 10 different problems that include various rational expressions. First, learners rationalize the denominator in each set. Then, they write the conjugate for each binomial and determine the reciprocal. They also write an expression...
Worksheet
Curated OER

Rationalizing Denominators

For Students 9th - 12th
For this algebra worksheet, students rationalize the denominator by multiplying by the conjugate. There are 15 multiple choice questions.
AP Test Prep11:12
1
1
Flipped Math

Calculus AB/BC - Selecting Procedures for Determining Limits

For Students 10th - 12th
Knowing more strategies is always a plus. Pupils watch an engaging video to learn additional ways to algebraically determine the limit of a function at a specified value. The video covers multiplying radical expressions by their...
Worksheet
Curated OER

Roots and Radical Expressions

For Students 11th
In this Algebra II learning exercise, 11th graders simplify radical expressions.  The two page learning exercise contains explanation, worked example, and three practice problems.  Answers are not included. 
Worksheet
Curated OER

Quaternions

For Students 11th - 12th
In this quaternions worksheet, students solve and complete 7 different problems. First, they read and identify quaternions as expressions in a given form of ordinary real numbers. Then, students add and subtract a few problems by doing...
Worksheet
Curated OER

Fifteen Multiple Choice Rationalizing the Denominator Problems

For Students 10th - 12th
In this rationalizing the denominator worksheet, students rationalize the denominator in fifteen problems.  The solutions are provided.
Lesson Plan
1
1
Alabama Learning Exchange

Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 12th Standards
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
Handout
2
2
Curated OER

Algebra Cheat Sheet

For Teachers 7th - 11th Standards
Full of info, this handout provides the rules, properties, and common mistakes found in an algebra course. This cheat sheet is a great resource for those hard-to-remember exponent rules and hyperbola equations, along with everything else...
Lesson Plan
EngageNY

Wishful Thinking—Does Linearity Hold? (Part 2)

For Teachers 11th - 12th Standards
Trying to find a linear transformation is like finding a needle in a haystack. The second instructional activity in the series of 32 continues to explore the concept of linearity started in the first instructional activity. The class...
Lesson Plan
Curated OER

Cutting Corners - Parts 1 and 2

For Teachers 9th - 12th
Learners use optimization concepts to design their own container. In this optimization lesson plan, students understand how the optimization concept is critical in calculus and why products are packaged the way they are.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Multiplying and Dividing Radicals

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains multiplying and dividing radical expressions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Unit Plan
Sophia Learning

Sophia: Introduction to Conjugates That Rationalize Denominators

For Students 9th - 10th
Explore conjugates and how they are used to rationalize denominators. Assess learning with a quiz.
Unit Plan
Sophia Learning

Sophia: Introduction to Conjugates That Rationalize Denominators

For Students 9th - 10th
Explore conjugates and conjugate pairs in order to rationalize denominators. Assessment to follow tutorial.
Unit Plan
Sophia Learning

Sophia: Using Conjugates to Rationalize Denominators: Lesson 2

For Students 9th - 10th
This lesson provides practice examples that use conjugates to rationalize denominators. It is 2 of 6 in the series titled "Using Conjugates to Rationalize Denominators."
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Using Conjugates to Simplify Radicals

For Students 9th - 10th
This question-response site gives information about simplifying an expression using conjugates. The Dr. first details the fundamentals of conjugates and then works several examples.
Activity
Help Algebra

Help algebra.com: Rationalizing the Denominator

For Students 9th - 10th
Learn to simplify radical expressions by removing radicals from denominators. The demonstration includes both single radicals and binomials that require the use of a conjugate.