Lesson Plan
Curated OER

Solving Systems by Elimination

For Teachers 8th - 10th
Students review solving absolute value equations. They watch as the teacher demonstrates solving a system of linear equations by addition. Students practice working problems by multiplying to obtain opposite cooefficients, and then...
Lesson Plan
Curated OER

Solving Equations as Word Problems: Practice B

For Teachers 9th
Ninth graders investigate solving word problems.  In this Algebra I lesson, 9th graders explore the four step process for solving word problems:  Step 1-make a table of values, Step 2-identify the constant, Step 3-indetify the...
Lesson Plan
Curated OER

Linear Functions: Are You Ready for the REAL World?

For Teachers 10th
students emulate a real world problem and model it with mathematics working in a small group. Observe and facilitate discussion as the groups use various strategies, such as (graphs, brainstorming, tables, and dialogue.
Worksheet
Curated OER

Gas Law Worksheet

For Students 10th - 12th
In this gas law worksheet, students manipulate the equations for the combined gas law and the ideal gas law and solve problems using both.
Interactive
Curated OER

Expressions from Sentences

For Students 7th - 9th
In this algebra worksheet, students rewrite sentences into algebraic equations using variables and solve for the unknown. There are 10 interactive questions with an answer key.
Worksheet
Curated OER

Heat Index

For Students 9th - 11th
In this algebra worksheet, students solve for the heat index using the correct variable. There is an answer key with this worksheet.
Worksheet
Curated OER

Evaluating Expressions

For Students 6th - 9th
In this algebra activity, students are given a table of values for the variables in the expressions. Students substitute the values into 12 algebraic expressions then solve the expression. Students use the letters in the table to solve a...
Lesson Plan
Texas Instruments

Areas of Regular Polygons and Circles

For Teachers 9th - 12th Standards
Learners explore area of polygons and regular polygons in this math lesson plan. They calculate the area of several polygons using Cabri Jr. and analyze shapes and write formulas to solve for the area.
Worksheet
Curated OER

Nature of Roots

For Students 9th - 11th
In this nature of roots worksheet, students solve 10 different problems that include determining the sum and product in each one. First, they determining the sum of the roots in the given equation. Then, students determine the product of...
Worksheet
Curated OER

Literal Equations

For Students 10th
In this literal equations activity, 10th graders solve 10 different problems that include literal equations. First, they determine an equation that has various letters and solve for one of the letters. Students also use various methods...
Lesson Plan
Curated OER

Let Algebra Tiles Solve Equations for You

For Teachers 9th - 12th
Students practice solving algebra equations utilizing model tiles.  In this algebra instructional activity, students observe a clip from the movie Homeward Bound and break the action down into an algebraic equation.  Students...
Lesson Plan
Curated OER

Race the Track! Jump the Gap

For Teachers 3rd - 6th
Students record data of using a track system with variables and how those variables affect a ball used in the track. In this track lesson plan, students design their own track in groups, test the ball's rates of speed, and record their...
Interactive
Curated OER

2-Step Equations

For Students 9th - 12th
In this online math worksheet, students solve for "x" by completing simple two-step equations. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Interactive
Curated OER

Multi-Step Equations

For Students 9th - 12th
In this online math worksheet, students solve multi-step equations which have the variable on both sides. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II activity, students solve systems of linear equations by addition.  The one page interactive activity contains ten questions.  Answers and hints are provided.
Worksheet
Curated OER

Solving One-Step Inequalities by Multiplying/Dividing

For Students 7th - 8th
In this pre-algebra worksheet, students solve and graph the results for 26 linear inequalities. Each problem involves either multiplication or division. Seven problems include a negative coefficient for the given variable.
Worksheet
Curated OER

Simplify equations

For Students 7th - 10th
In this simplifying equations learning exercise, students simplify equations for the variable y. Students solve 10 problems where they simplify equations.
Lesson Plan
Curated OER

Solving Formulas

For Teachers 6th - 8th
In this math worksheet, middle schoolers find the solutions while applying the formulas. Then they work to isolate one of the variables to a side.
Worksheet
Curated OER

Exploring Congruent Triangles

For Students 10th
In this congruent triangles worksheet, 10th graders solve 10 different problems related to exploring various types of congruent triangles. First, they label the corresponding parts and use the figures to complete each statement. Then,...
Worksheet
Curated OER

Linear Inequalities in Two Variables

For Students 9th - 12th Standards
Use this worksheet as a warm up, a refresher exercise, or a practice after a more detailed lesson on graphing linear inequalities in two variables. Start with boundaries that are horizontal or vertical, then move into graphs with...
Worksheet
Curated OER

Solving Absolute Value Inequalities

For Students 9th - 12th Standards
Start this activity with a brief description of how to solve absolute value inequalities. A space is provided to help classify the inequalities into types (greater than, less than, or equal to) and for learners to show how to graph their...
Worksheet
Curated OER

Solving Linear Systems by Graphing

For Students 9th - 12th Standards
A worksheet that offers four problems to practice solving simultaneous equations by graphing. Equations are presented in slope-intercept form or standard form. Problems include two with unique solutions, one with no solution, and one...
Worksheet
Curated OER

Word Problems that Use All Operations

For Students 5th - 7th
Although this word problem could be solved without algebra, it is an ideal way to incorporate algebraic equations and variables for easier solutions. The answer is explained below, so use this as an all-class warm up and cover up the...
Lesson Plan
Odell Education

Spring Fling Carnival

For Teachers 8th - 10th
Think critically — and linearly by applying linear equations to solve real-world problems. Young mathematicians write equations to model the profit on popcorn and cotton candy at a carnival and solve problems using these equations.