Curated OER
Minimize Perimeter -- Lecture
Students are introduced to the concept of perimeter. As a class, they listen to a lecture describing the derivations of a function that describes perimeter. They calculate the minimum perimeter of a rectangle and determine the numbers...
Other
Nearpod: Solving Equations: Combining Like Terms
In this lesson on solving equations, 8th graders will learn how to solve equations by combining like terms.
Math.com
Math.com: The Basics of Algebra: Like Terms
Students learn how to combine like terms in this algebra resource. A learning tutorial and practice problems to check for comprehension of the math concepts are included.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Like Terms
Here is a site that clearly and thoroughly explains adding like terms, including terms with signs and terms within parentheses. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Wyzant
Wyzant: Combining Like Terms Worksheet
Ten multi-step linear equations are provided here from WyzAnt in an inter-active format for students to use to quiz themselves. Students enter their answers and the site grades it for them.
Khan Academy
Khan Academy: Equivalent Expressions With Distribution and Combining Like Terms
In this exercise, students practice factoring numerical expressions using the distributive property. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
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,...
Other
Nearpod: Solving Linear Equations in One Variable
In this lesson, 8th graders will learn how to solve linear equations in one variable including equations with one solution, no solution, and infinite solutions.
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
Nearpod: Solving Equations: The Distributive Property
In this lesson on solving equations with the distributive property, 8th graders will learn how to solve equations by combining like terms after using the distributive property.
Khan Academy
Khan Academy: Adding and Subtracting Polynomials Review
Adding and subtracting polynomials is all about combining like terms. In this article, we review some examples and give you a chance for you to practice the skill yourself.
Wyzant
Wyzant: What Is Simplifying?
This site from WyzAnt explores what simplifying is, as well as how to simplify a variety of algebraic equations. Content focuses on simplifying multiple signs, combining like terms, simplifying multiplication, distributing a number or...
Other
Chili Math: The Distributive Property of Multiplication Over Addition
The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.
Khan Academy
Khan Academy: Order of Operations With Negative Numbers
Practice evaluating expressions using the order of operations. Numbers used in these problems may be negative. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
The Math League
The Math League: Introduction to Algebra
This introduction offers help on a variety of topics in algebra, such as variables, expressions, equations, and simplifying.
Sophia Learning
Sophia: Complementary and Supplementary Angles
Complementary and Supplementary angles are explored in this tutorial video. [9:17] A PowerPoint presentation provides definitions of angle terms and a video offers examples for finding the missing angle in a supplementary or...
Khan Academy
Khan Academy: Adding and Subtracting Polynomials With Two Variables Review
Adding and subtracting polynomials is all about combining like terms. When the terms have two variables, it gets a little bit tricky to figure out which terms are like terms. In this article, we review some examples and give you a chance...
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for young scholars to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle...