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Worksheet
Curated OER

Identify Parallel/Perpendicular/Intersecting Lines

For Students 6th - 8th
For this identifying lines worksheet, learners examine given diagrams.  They identify parallel, perpendicular, and intersecting lines.  This two-page worksheet contains 10 problems.  Answers are provided on the last page.
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Worksheet
Curated OER

Parallel, Perpendicular and Intersecting Lines

For Students 9th - 11th
In this parallel, perpendicular and intersecting lines worksheet, students analyze the slopes of given lines and determine if the lines are parallel, perpendicular or intersecting. This five-page worksheet contains approximately 25...
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Interactive1:29
Scholastic

Study Jams! Types of Lines

For Students 4th - 9th Standards
Get jamming with lines and sing along to this karaoke that reviews the main types of lines. Your learners can't forget the main properties of lines when they sing the chorus on the karaoke song after the included slide show. The slides...
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Lesson Plan
EngageNY

Characteristics of Parallel Lines

For Teachers 8th Standards
Systems of parallel lines have no solution. Pupils work examples to discover that lines with the same slope and different y-intercepts are parallel. The 27th segment of 33 uses this discovery to develop a proof, and the class determines...
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Lesson Plan
Illustrative Mathematics

Proportional Relationships, Lines, and Linear Equations

For Teachers 7th - 9th Standards
The resource is a good introduction to what makes a proportional relationship between two lines. Discuss the similarities of both lines and the possibility of intersection. Use this opportunity to list other acceptable forms of each...
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Lesson Plan
Curated OER

Identifying Linear Functions from Graphs

For Teachers 6th - 9th
Keep your mathematicians engaged using this group linear functions activity. Each of ten groups receives two graphs with both an image and equation, as well as a "who has" phrase to call out the next graph. Scholars stay on their toes as...
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Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 9th - 11th
In this Algebra I/Algebra II/Geometry worksheet, students examine the slopes of parallel and perpendicular lines and the relationship to the equation of the line. The four page worksheet contains explanation of topic, worked examples,...
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Worksheet
Curated OER

Planes and Lines

For Students 9th - 11th
In this geometry worksheet, students identify the plane that passes through a point and define the theorem that represents parallel and perpendicular lines. There is an answer key.
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Lesson Plan
Curated OER

Are We Sure They Are Parallel?

For Teachers 4th
Fourth graders explore the definition and properties of parallel lines. This high level lesson has students calculate the slope of the two parallel lines, and draw the lines on a Caretsian coordinate system.
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Worksheet
Curated OER

Worksheet 3.5 Simultaneous Equations

For Students 8th - 9th
In this simultaneous equations activity, students solve and complete 7 various types of problems. First, they solve graphically the system of equations shown. Then, students find the number of solutions that each pairs of equations have....
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Worksheet
Curated OER

Skills Review Sheet: Equations

For Students 8th - 9th
Learners find the equation that passes through two given points. They then locate the intersection of two lines, and find the x and y intercepts for four parabolas when given their equations. Answers are provided.
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Lesson Plan
EngageNY

Nature of Solutions of a System of Linear Equations

For Teachers 8th Standards
If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...
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Lesson Plan
Curated OER

A Point of Intersection

For Teachers 6th - 8th
Students factor and solve systems of equation. In this algebra instructional activity, students identify the point of intersection using substitution, elimination and graphing. They write an equation given a system and a graph.
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Worksheet
Curated OER

Writing and Graphing Linear Equations on a Flat Surface

For Students 8th - 10th
In this linear equations worksheet, students write the equation of a line with given characteristics. They identify the slope of a line and the y-intercept. Explanations and examples are provided at the beginning of the worksheet. This...
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Worksheet
Curated OER

Standard Form of a Linear Equation

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students examine the equation of a line in standard form to determine the slope and y-intercept and determine the missing coordinate of an ordered pair.  The one page worksheet contains eight...
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Lesson Plan
Curated OER

Do These Systems Meet Your Expectations

For Teachers 8th - 9th
This lesson is all about systems of equations and their graphs. Algebra learners create and solve systems of equation using tables and graphing. They identify the point of intersection of a system of equation, and discover what the...
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Worksheet
1
1
Curated OER

Quick Graphs of Linear Equations

For Students 9th - 12th Standards
Graph equations of lines using the slope-intercept method or by plotting both x and y intercepts. Determine if two lines are parallel or perpendicular by comparing their slopes. This handout includes step-by-step directions and four...
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Lesson Plan
West Contra Costa Unified School District

Solving a System by Substitution

For Teachers 8th - 10th Standards
Solving systems by substitution can be a challenging topic in algebra I. Here is a lesson that builds on students' understanding of intercepts to begin the process of substitution, and all work is reinforced graphically to build...
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Worksheet
Curated OER

Solving Linear Systems by Graphing

For Students 9th - 12th Standards
A activity 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 with...
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Lesson Plan
Curated OER

The Number of Solutions for a System of Equations.

For Teachers 9th - 11th
Young scholars define lines as dependent, independent and no solution. In this algebra lesson plan, students identify the type of solutions produces by systems of equations. They discuss the type of lines formed given a linear pair.
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PPT
1
1
BW Walch

Solving Systems of Linear Equations

For Teachers 8th - 9th Standards
Solving systems of equations underpins much of advanced algebra, especially linear algebra. Developing an intuition for the kinds and descriptions of solutions is key for success in those later courses. This intuition is exactly what...
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Lesson Plan
Curated OER

Solutions, Solutions, Could it Be?

For Teachers 6th - 9th
Students graph and solve linear system of equations. In this algebra lesson, students use algebraic and graphing methods to solve their systems. They find the point of intersection for their solution and draw inference from their data.
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Worksheet
Curated OER

Solving Systems of Equations by Graphing

For Students 9th - 11th
In this systems of equations worksheet, students solve each system of equations by graphing on a coordinate plane. Students identify the solution to the equations by the intersection of the two graphs. They also observe that parallel...
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Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 10th
Students solve systems of equations. In this algebra lesson, students use elimination and substitution to solve for the point of intersection. They use graphing to see where the two lines intersect.