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Worksheet
Curated OER

Lines and Line Segments

For Students 6th - 10th
In this lines and line segments worksheet, students solve 6 word problems where they identify lines and line segments, draw rectangles made of line segments, and define perpendicular and intersecting lines. The problems require higher...
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Worksheet
Curated OER

Linear Functions

For Students 9th - 11th
In this linear function activity, learners examine graphs and determine the slope, the y-intercept and the equation of a line. They identify parallel and perpendicular lines. This two-page activity contains 3 multi-step problems.
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Lesson Plan
Curated OER

"Polly"gon Pockets

For Teachers 3rd - 5th Standards
Explore polygons with your elementary learners. Divide the class in 12 to configure the polygon puzzle before them. They list the attributes of each type of polygon they see, and if there's time, they jump on the interactive website...
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Lesson Plan
Curated OER

Exploring the Slopes of Parallel and Perpendicular Lines

For Teachers 8th - 10th
Students calculate the slope of parallel and perpendicular lines.In this algebra instructional activity, students differentiate between parallel and perpendicular lines. They graph their lines using the slope of the equation.
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Worksheet
Curated OER

Algebra I - Worksheet G12: Graphing Lines

For Students 9th - 12th
In this graphing lines worksheet, high schoolers graph 28 lines given various data.  Students graph lines given two points, a point and slope, and a line perpendicular or parallel to a point.
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Worksheet
Curated OER

Take Home Question

For Students 9th - 12th
In this slope and perpendicular lines worksheet, students solve 5 short answer problems. Students find an unknown coordinate given two points, a perpendicular line, and a slope. Students find the centroid of a triangle.
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Worksheet
Curated OER

Slopes Puzzle

For Students 8th - 9th
In this slopes puzzle worksheet, students solve and complete 16 different problems that include determining various slopes of equations. First, they cut apart each of the pieces shown. Then, students use the slopes of each linear...
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Worksheet
Curated OER

Linear Equations

For Students 9th - 10th
In this algebra learning exercise, students solve and graph linear equations. They differentiate between parallel and perpendicular lines. There are 35 questions about graphing.
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Worksheet
Curated OER

Chapter 2.3 - Slope

For Students 7th - 9th
In this slope worksheet, students answer 16 slope intercept questions. They determine slopes based on equations, graphs and coordinates. Students also find the equations of lines parallel and perpendicular to a given line and that goes...
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Unit Plan
Mathematics Vision Project

Module 6: Connecting Algebra and Geometry

For Teachers 9th - 12th Standards
A geometry module connects algebraic reasoning to geometry. It challenges scholars to investigate the slope criteria for parallel and perpendicular lines, prove theorems involving coordinate geometry, and write equations for circles and...
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Lesson Plan
Curated OER

Exploring the Slopes of Parallel and Perpendicular Lines.

For Teachers 8th - 10th
Students find the slopes for perpendicular and parallel lines. In this geometry lesson, students differentiate between parallel and perpendicular lines. They use Cabri software to create lines to compare.
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Lesson Plan
Curated OER

Perpendicular Lines

For Teachers 9th - 10th
Young scholars differentiate between parallel and perpendicular lines. In this geometry lesson, students identify the different angles created by perpendicular lines and parallel lines. They name the angles that are form when parallel...
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Worksheet
Curated OER

Points, Lines, and Line Segments - Homework 16.1

For Students 4th - 5th
For this geometry worksheet, students complete a homework assignment in which they name 3 lines and line segments. They write parallel, intersecting, or perpendicular, to describe the relationships between 4 pairs of lines. They draw an...
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Lesson Plan
Curated OER

Angles, Lines, and Transversals

For Teachers 8th - 10th Standards
Geometers identify and determine angle pair relationships when two parallel lines are intersected by a transversal. They review the concepts of angles by watching streaming video clips online, read definitions of lines and angles from...
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Worksheet
Curated OER

Parallels and Distance

For Students 10th
In this parallels and distance worksheet, 10th graders solve 7 different problems related to the distance between a point and a line and the distance between parallel lines. First, they draw the segment that represents the distance...
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Worksheet
Curated OER

Parallels and Distance

For Students 10th
In this parallels and distance worksheet, 10th graders solve 8 problems related to parallels of lines and the distance between each line. First, they draw the segment that represents the distance indicated in each figure. Then, students...
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Worksheet
Curated OER

Proving Lines Parallel 1

For Students 10th
In this proving lines parallel worksheet, 10th graders solve 8 different problems related to proving that lines are parallel in each figure. First, students find the value of x so that line l and line m are parallel. Then, students...
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Worksheet
Curated OER

Congruent Chords, Parallel chords and Perpendicular Chords

For Students 10th - 11th
In this geometry worksheet, students solve problems about congruent, parallel, and perpendicular chords and bisectors.  There are 9 problems with an answer key.
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Activity
Illustrative Mathematics

Find the Missing Angle

For Teachers 7th - 9th Standards
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
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Unit Plan
Mathematics Vision Project

Transformations and Symmetry

For Teachers 9th - 10th Standards
Flip, turn, and slide about the coordinate plane. Pupils define the rigid motions and experiment with them before determining the relationships of the slopes of parallel and perpendicular lines. The sixth unit in a nine-part series...
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Lesson Plan
Curated OER

Pyramid Activity

For Teachers 8th - 12th Standards
Pupils explore the concept of pyramids. They determine if two sides of a pyramid are perpendicular using a graphing calculator, then discuss parallel and perpendicular lines and how to determine if two lines are parallel or...
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Worksheet
Curated OER

Algebra II Test Chapter 3: Slope & Functions

For Students 10th - 12th
For this slope and functions worksheet, learners determine the slope of a line.  They identify functions and determine an equation of a line that is parallel or perpendicular to given points.  This three-page worksheet contains 21 problems.
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Worksheet
Curated OER

Lines and Angles

For Students 6th - 8th
In this lines and angles activity, students identify parallel and perpendicular lines. They demonstrate the characteristics of a straight line. They determine missing angle measurements. This two-page activity contains 3 multi-step...
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Handout
McGraw Hill

Lines and Angles

For Students 4th - 7th Standards
Why was the obtuse angle upset? Because it was never right! A valuable resource is loaded with background information on types of angles and lines. Learners review the characteristics of parallel, perpendicular, and intersecting lines,...

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