An informative lesson contains a brief explanation of how the sum of the angles of a triangle is a line. The lesson continues with determining the missing angle in a triangle, or solving for a variable. Using the sum of the...

Students solve systems of linear equations using substitution. They investigate the steps to solving linear equations by substitution and practice problems in small groups.

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...

In this variable expression worksheet, students solve and check given one and two-step variable expressions using algebra. This one-page worksheet contains ten problems.

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...

It is the job of your mathematicians to figure out how fast Anya is riding her bike when meeting her friend. The problem shares the distance, time spent riding, and Taylor's speed leaving the last variable for your learners to solve. Use...

In this variables and expressions learning exercise, students solve and complete 20 different problems that include various types of expressions. First, they write a variable expression of each given algebraic expression. Then, students...

In this problem solving instructional activity, 6th graders practice finding the variable in 72 Algebra equations. Students utilize the strategy of multiplication while solving for each variable.

In this algebra worksheet, students solve one variable equations using multiplication and division. There are 28 problems to be solved and an answer key is included.

In this electric circuit activity, learners use Algebraic equations to manipulate the electrical resistance of a conductor. The answer a series of 19 open-ended questions. This activity is printable and the answers are revealed online.

Fifth graders use patterns, models and relationships to solve equations.  In this equations lesson plan, 5th graders define vocabulary for equations and complete worksheets explaining variables and solving problems.

In this graphing worksheet, students solve and graph linear inequalities on a coordinate plane. Inequalities contain one variable. The solution set is sketched and colored. This worksheet contains eight problems on two pages, with an...

In this Algebra I worksheet, 9th graders are presented with age word problems which are solved by writing an equation in one variable.  The one page worksheet contains 2 worked examples and sixteen practice problems.  Answers...

Learners 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...

Learners explore the concept of 2-variable equations and expressions. In this 2-variable equation and expression lesson, students translate 2-variable word problems into 2-variable equations and expressions.

In this complete the square worksheet, students complete the square for equations with variables. Students complete the square for 10 problems.

In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....

Finish out the module with a bang. The last installment of a 36-part module is an end-of-module assessment task. Test takers set up equations to represent relationships and solve problems in an assortment of contexts.

Understanding government spending is difficult. The number of variables can be enormous. In the corresponding resource, number crunchers are given one equation related to government spending with a number of variables. Your class is...

Whether scholars understand independent and dependent variables depends on you. The 32nd installment of a 36-part series has learners analyze relationships in real-world problems through tables. They determine independent and dependent...

Round and round they go ... where they stop, only scholars will know. By writing systems of equations, classes determine the number of cars a roundabout can handle given specific constraints. Systems use up to six variables and become...

How many people can fit around a table? Depends on the size of the table, right? Explore patterns to generate an equation for the number of people that can fit around a table given its size.

Use more than one whole to solve percent problems. The ninth installment in a 20-part series has pupils work percent problems in which they must determine two wholes. Individuals use double number lines to represent and solve the...

Enhance pupil understanding of proportions and variable relationships by studying direct and inverse variation. Use the idea of a proportional relationship to teach direct variation. Then use a similar pattern to help individuals...