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Lesson Plan
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Systems of Equations

For Teachers 8th - 12th Standards
Texas Instruments and Glencoe/McGraw-Hill have put together a full lesson to help you instruct your math class. Using the textbook, a TI-83 calculator, and attached the PDF learners will solve systems of equations and state decimal...
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Lesson Plan
Lesson Planet: Curated OER

The Exercise Fields

For Teachers 8th - 10th Standards
Horses need exercise, too. Scholars create linear equations to model the perimeter of exercise fields for horses. They finish by solving their equations for the length and width of the fields.
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Instructional Video6:20
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System of Three Equations

For Students 9th - 12th Standards
How does solving a system of three equations compare to solving two-variable equations? The video tutorial shows how to utilize the same methods of substitution and elimination to solve a system of three equations. The instructor solves...
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Worksheet
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Solving Systems of Linear Equations in Three Variables

For Students 10th - 12th Standards
Practice solving linear systems of three equations with three unknowns using the elimination method and substitution method. This handout includes graphics of different combinations of intersecting planes to help illustrate the different...
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Worksheet
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Solving Linear Systems by Linear Combinations

For Students 9th - 12th Standards
This worksheet offers six problems to practice solving simultaneous equations using the method of elimination. Start with systems that require multiplying only one of the equations. Then move to systems which require multiplying both...
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Worksheet
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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...
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Lesson Plan
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Cash Box

For Teachers 9th - 12th Standards
Solving systems of equations with a twist! If you are looking for something out of the ordinary, then this is the problem for you. In this scenario, some money is found on the ground and you need to determine if it belongs in the cash...
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Worksheet
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Solving Linear Systems by Substitution

For Students 8th - 11th Standards
Practice solving two equations with two unknowns. Here are five problems for using the substitution method. Included are clear, concise step-by-step instructions for the learner to follow. Problems start out easy and gradually get more...
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Worksheet
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Systems - Money Problems

For Students 7th - 9th Standards
In this systems of equations activity, students solve 9 word problems about money.  Students determine the number of nickels and dimes, quarters and half-dollars, and profit from ticket sales by writing a system of equations and solving.
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Worksheet
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Using Equal Values Method or Substitution

For Students 8th - 9th Standards
Math whizzes solve and complete 20 different problems. Problems are solved using the substitute, or the equal values method. Learners also create their own systems of equations based on word problems. 
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Worksheet
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Determining the Point of Intersection Using the TI-83 Plus Calculator

For Students 8th - 10th Standards
Middle and high schoolers graph two lines and identify the point of intersection of each set of line. They use the TI calculator to help them graph and solve. There are six questions with detailed instruction on how to graph correctly.
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Worksheet
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Point of Intersection Worksheet 2

For Students 8th - 10th Standards
Math wizards rewrite pairs of linear equations in the y-intercept form and graph them on a coordinate plane. They identify where the lines cross, i.e. the point of intersection. There are four questions with coordinate planes for drawing...
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Lesson Plan
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Systems on a Mission

For Teachers 6th - 8th Standards
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
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Lesson Plan
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Solving Systems with Row Operations 2

For Teachers 9th - 12th Standards
Have your class solve equations using matrices by teaching them how to factor systems of equation to identify the point of intersection. They create their matrices on the Ti and perform row operations to simplify.
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Lesson Plan
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Solving Systems with Row Operations 1

For Teachers 9th - 12th Standards
High schoolers solve systems of equations. In this algebra lesson, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.
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Lesson Plan
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Solving Systems using Elimination

For Teachers 9th - 12th Standards
Using elimination to find the point of intersection of two lines, students learn to solve systems of equation. They graph their solutions and use the TI to verify the solution.
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Lesson Plan
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Linear Systems and Calories

For Teachers 9th - 12th Standards
Students define and graph properties of linear equations. In this algebra lesson plan, students write systems of equations to represent functions. They relate linear equations to the real world.
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Lesson Plan
Lesson Planet: Curated OER

Solving Systems by Graphing

For Teachers 9th - 12th Standards
Solve systems of equations with your super smart upper graders. They solve systems of equations and then graph two lines to find where they intersect. The focus on the activity is to have learners explore moving a point to illustrate...
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Lesson Plan
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Solving a Pair of Linear Equations by Graphing

For Teachers 9th - 12th Standards
Teach your math lovers how to solve linear equations by graphing. High schoolers identify pairs of coordinates and use it to graph a line and use the TI to graph and observe the line.
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Lesson Plan
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How Many Solutions 2

For Teachers 9th - 12th Standards
Young scholars solve systems of equations. In this algebra lesson, students graph lines and identify the point of intersection. They identify the function to see if it is a function.
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Lesson Plan
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Balanced Systems of Equations

For Teachers 9th - 11th Standards
Students solve equations. In this algebra lesson plan, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.
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Lesson Plan
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How Many Solutions to the System?

For Teachers 9th - 12th Standards
Solve systems of equation using graphing! In this algebra instructional activity, students use the TI to graph two lines and identify the number of solutions. They perform interactive graphing on the navigator.
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Lesson Plan
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FCAT Real World Solving Linear Equations/Systems

For Teachers 6th - 12th Standards
Pupils relate real life situation to the equations, graphs and inequalities. They model real life scenarios using matrices and draw conclusions from their data. This lesson plan is aligned with FCAT.
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Lesson Plan
Lesson Planet: Curated OER

Cramer's Rule ID: 8793

For Teachers 9th - 12th Standards
Mathematicians are introduced to Cramer’s Rule and use it to solve three systems that have one solution, no solutions, and an infinite number of solutions.  Young scholars use TI-Nspire to graph the systems to verify their answers and...