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Alabama Learning Exchange
Imaginary Numbers? What Do You Mean Imaginary?
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.
Curated OER
Math B Regents Questions by Performance Indicator: Rational Numbers
In this rational number worksheet, students add and subtract quantities containing radical expressions. They identify equivalent expressions. This three-page worksheet contains 15 multiple-choice problems. Answers are...
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
Curated OER
Rational or Irrational
In this rational and irrational numbers worksheet, 7th graders solve 24 different problems that include defining various rational and irrational numbers and/or expressions. First, they identify whether each given number and/or expression...
Curated OER
Mixed Expressions and Complex Fractions
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
Curated OER
Quaternions
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...
Curated OER
Square Roots
Students differentiate between perfect roots and rational roots. In this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Curated OER
Complex Numbers
For this complex numbers worksheet, 9th graders solve 10 different problems that include either adding or subtracting complex numbers. First, they determine the sum of the real components. Then, students determine the sum of the...
Curated OER
Functions
Pupils explore a variety of functions. They recognize and describe functions and use linear functions to describe situations. Students find the domain and range of linear functions and graph rational expressions.
Curated OER
Simplifying a Square Root
In this algebra learning exercise, students simplify square roots. They add and multiply the roots. There are 5 questions with an answer key.
Curated OER
Is Your Square Complete?
Students practice solving quadratic equations using a form called Complete the Square.
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
Curated OER
Cutting Corners - Parts 1 and 2
Students 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.
Curated OER
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
Mathematics Vision Project
Module 7: Modeling with Functions
The sky's the limit of what you create when combining functions! The module begins with a review of transformations of parent functions and then moves to combining different function types using addition, subtraction, and...
Curated OER
To Quote or Not to Quote
Introduce your middle and high schoolers to the correct use of quotation marks. They identify examples of correct and incorrect quotations in magazines and edit a paragraph in groups. Use this lesson as a way to reinforce proofreading...
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.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Radicals
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify expressions involving the addition and subtraction of radicals.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Operations on Real Numbers
A tutorial will guide you through the rules and steps for adding, subtracting, multiplying, and dividing real numbers, as well as evaluating numeric expressions and using order of operations. Contains step-by-step solutions to example...
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.