Lesson Plan
Curated OER

The Difference of 2 Squares

For Teachers 8th - 12th
Students factor a difference of two squares.  In this factoring a difference of two squares lesson, students use manipulates cut from a piece of paper to illustrate the difference of two squares.  Students illustrate the...
Lesson Plan
Curated OER

Graphing Inequalities in Two Variables: Extra Practice 30

For Teachers 8th - 9th
In this math worksheet, students graph inequalities on a coordinate grid. The eight problems have a coefficient of one for the y variable. Three problems have a negative value for y. The final four problems are horizontal or vertical lines.
Lesson Plan
Curated OER

Solving Two-Step Equations

For Teachers 8th - 9th
In this solving equations worksheet, students solve and complete 16 different types of problems. First, they simplify using the inverse of addition or subtraction. Then, students simplify further by using the inverse of multiplication or...
Worksheet
Curated OER

Two Variable Inequalities

For Students 8th - 11th
In this algebra instructional activity, students solve inequalities using addition, subtractions and multiplication. They graph the inequalities with shading. There are 2 questions.
Worksheet
Curated OER

Finding a GCF of Two Terms

For Students 8th - 9th
In this Algebra worksheet, students find the Greatest Common Factor of two terms involving constants and variables with exponents. Students may self correct their answers by selecting the link at the end of the worksheet.
Worksheet
Curated OER

Freshman Project-Part Two-Experimental Design

For Students 7th - 10th
In this experimental design instructional activity, learners identify the title, hypothesis, independent and dependent variables , the constants and the control for their experiment. They use a scoring guide to asses their progress.
Worksheet
Curated OER

Solving Inequalities

For Students 8th - 11th Standards
This is a nice worksheet on solving one variable and compound inequalities. Learners solve inequalities and graph the solution on a number line.  The two page worksheet contains explanation and sixteen practice problems. 
Lesson Plan
Curated OER

Multiple Variables in an Equation

For Teachers 5th - 7th
Young mathematicians apply problem-solving skills to equations that have more than one variable. They will work through the process to problem solve and discover the solution.
Study Guide
Curated OER

Understanding Variables

For Teachers 9th - 10th
Students solve linear equations and identify the unknown. In this algebra lesson, students define a variable and use addition, subtraction, multiplication and division to solve. They change the equation depending on the value of the...
Lesson Plan
Curated OER

Solving Linear Equations

For Teachers 7th - 9th
In this linear equation worksheet, students solve basic linear equations containing positive and negative integers. Students show their algebra steps, as they solve for "x." The majority of the ten equations contain two terms, and a few...
Lesson Plan
Curated OER

Solving Inequalities

For Teachers 9th - 10th
In this inequalities worksheet, students determine the solution set to given inequalities. Inequality problems include variables on both sides as well as real numbers. This two-page worksheet contains 30 problems.
Lesson Plan
Curated OER

Solving Inequalities With Both Principles

For Teachers 9th - 11th
In this solving inequalities worksheet, students solve inequalities with variables on both sides. They state the solution set of the inequality. This two-page worksheet contains 30 problems.
Worksheet
Curated OER

Solving for Missing Proportions

For Students 5th - 10th
For this missing proportions worksheet, students solve for the variables that appear in the proportions with one, two, and three digit numbers. Students complete 10 problems total.
Interactive
Curated OER

Review of Algebra I

For Students 8th - 9th
Test your class with this online review. They determine the probability of a given situation, solve inequalities, systems of equations, and write numbers in scientific notation.  This two-page worksheet contains approximately 60...
Lesson Plan
Curated OER

Variables on Both Sides

For Teachers 9th - 10th
Students solve equations containing variables on both side of the equal sign. In this algebra lesson plan, students combine like terms using opposite signs to get them on one side of the equal sign. They model the equations using bar...
Unit Plan
Mathematics Vision Project

Systems of Equations and Inequalities

For Teachers 9th - 10th Standards
It's raining (systems of) cats and dogs! The fifth unit in a nine-part course presents systems of equations and inequalities within the context of pets. Scholars use systems of inequalities to represent constraints within situations...
Lesson Plan
1
1
EngageNY

True and False Equations

For Students 9th - 10th Standards
What does English have to do with math? Teach your class the "grammar" of a number sentence. Sentences with correct grammar can be false! Understanding of a number sentence leads to a comparison with equations.
Worksheet
Curated OER

Bar Graphs

For Students 2nd - 4th Standards
What are these bar graphs depicting? Novice data analyzers examine two basic bar graphs and answer three comprehension questions about each. The first graph shows tickets sold per date and the next is distances run per member of a cross...
Activity
Education Development Center

Integer Combinations—Postage Stamps Problem (HS Version)

For Students 8th - 9th Standards
It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...
Lesson Plan
EngageNY

Solving Problems in Two Ways—Rates and Algebra

For Students 9th - 10th Standards
Build confidence by using multiple approaches to problem solving! This resource uses a visual and algebraic approach to solving application problems. A discussion is included about efficient approaches to different problems.
Lesson Plan
Mathematics Assessment Project

Representing Inequalities Graphically

For Teachers 9th - 12th Standards
A new, improved version of the game Battleship? Learners graph linear inequalities on the coordinate plane, then participate in a game where they have to guess coordinate points based on the solution to a system of linear...
Assessment
Illustrative Mathematics

Find the Missing Number

For Students 1st Standards
First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.
Lesson Plan
1
1
Curated OER

Solving Systems Using Matrices

For Teachers 9th - 11th Standards
Explore the concept of systems of equations in two variables and use matrices to solve them. Young mathematicians enter coefficients and constants into a matrix and then solve using row reduction. Instructions on how to use the shortcut...
Activity
Curated OER

How does the solution change?

For Teachers 8th - 11th Standards
Four simple equations, each with two variables, try to get at the important question of reasoning about equations. The problem isn't to solve the equations, but to understand the nature of their solutions. These equations address the...