Parallel Lines Teacher Resources

Find Parallel Lines lesson plans and worksheets
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EngageNY Grade 8 Math Module 2: The Concept of Congruence

For Teachers 8th Standards
Eighth graders delve deep into the concept of congruence with a 16-lesson math module. Lessons plans offer guided practice, inquiry-based learning opportunities, and independent practice. A mid-module assessment gauges progress while an...
33 Items in Collection
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EngageNY Grade 8 Math Module 4: Linear Equations

For Teachers 8th Standards
A 31-lesson unit boosts eighth-graders' math skills, specifically linear equations. By way of direct instruction, guided practice, collaborative learning opportunities, and independent practice, mathematicians write and solve linear...
2:42
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Parallel Lines 3

For Students 7th - 9th
Starting with three linear equations, how can you tell which lines are parallel? The first equation is rewritten in slope-intercept form. The second equation represents a horizontal line, so it is already in slope-intercept form. The...
2:55
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Parallel Lines and Transversals: Lesson

For Students 7th - 11th Standards
Segment transversals proportionally. Given a diagram with three parallel lines and two transversals, the narrator of a short video points out the parallel lines cut the transversals proportionally. The portion of a long playlist on...
5:15
Lesson Planet

Graphs: Parallel lines

For Students 8th - 10th Standards
Parallel lines must always have the same slope. Learners use this bit of information to extend their equation writing skills. A video lesson explains how to write the equation of a line parallel to a given line and through a given point....
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Parallel Lines Cut by a Transversal

For Students 8th Standards
Pupils study angle measurements between different types of angles associated with parallel lines and transversals. The independent practice asks pupils to identify the types of angles in a diagram and to determine the measure of angles. 
3:42
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Parallel Lines in the Coordinate Plane: Lesson

For Students 8th - 10th Standards
Discover the parallel structure of parallel lines. Provided with two parallel lines on a coordinate plane, the presenter shows that the rise and run, or slope, of the two lines are the same. The resource, which is a portion of a larger...
3:03
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Parallel Lines 2

For Students 7th - 9th
Can you tell, algebraically, if three lines are parallel? In this video, Sal demonstrates how to rewrite linear equations in slope-intercept form and compare the slope of each line.
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Proving Slope Criterion for Parallel Lines 1

For Students 9th - 12th Standards
Parallel lines and the slope formula...two seemingly distinct concepts, but a connection exists nonetheless. Young mathematicians prove that if two lines are parallel, then their slopes are equal. They have the option of using a...
4:14
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Equation of Parallel Lines

For Students 9th - 12th Standards
Analyze patterns in equations of parallel lines. Building on previous knowledge of parallel lines and writing linear equations, learners watch how to create an equation of a line parallel to a given line. The video emphasizes the...
1:42
Lesson Planet

What Are Parallel Lines?

For Teachers 8th - 9th
What kind of lines have equal slopes, equal incline or decline, and equal rise over run? Yes! Parallel lines. What are parallel lines? They are lines on a graph that go on and on and on forever and never touch each other. Watch this...
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Constructions for Parallel Lines

For Students 9th - 12th Standards
Looking for a formative check that's to the point? Let your learners show what they know on a two-question worksheet that assesses their knowledge of parallel lines. The resource and included rubric help you understand if their ideas are...
5:15
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Angles of Parallel Lines 2

For Students 9th - 10th
Providing an exploration of parallel lines, this resource requires students to not only practice calculations, but also to analyze angles. By asking viewers to decide whether two lines are parallel based upon the information given, this...
5:15
Lesson Planet

Angles of Parallel Lines 2

For Students 9th - 10th
Providing an exploration of parallel lines, this resource requires students to not only practice calculations, but also to analyze angles. By asking viewers to decide whether two lines are parallel based upon the information given, this...
Lesson Planet

Writing Equations for Parallel Lines

For Teachers 8th - 11th Standards
Acquaint your class with the concept of parallel lines. Learners watch a PowerPoint presentation about how to write equations of parallel lines. Their understanding of linear equations and slope is taken a step further by the exercises...
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Angles Formed By Parallel Lines

For Teachers 6th - 12th Standards
Young scholars explore the concept of angles formed by parallel lines.They graph two parallel lines cut by a transversal, then measure the angles formed by the transversal and record the data in a table. Learners make conjectures about...
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Parallel Lines, Transversals, and Angles: What’s the Connection?

For Students 9th - 11th Standards
Streets, bridges, and intersections, oh my! Parallel lines and transversals are a present in the world around us. Learners begin by discovering the relationship of the angles formed by parallel lines and a transversal. They then apply...
EngageNY

Looking More Carefully at Parallel Lines

For Students 9th - 10th Standards
Can you prove it? Making assumptions in geometry is commonplace. This resource requires mathematicians to prove the parallel line postulate through constructions. Learners construct parallel lines with a 180-degree rotation and then...
1 In 1 Collection
EngageNY

Angles Associated with Parallel Lines

For Students 8th Standards
Explore angle relationships created by parallel lines and transversals. The 13th lesson of 18 prompts scholars use transparency paper to discover angle relationships related to transversals. Learners find out that these angles pairs are...
1 In 1 Collection
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...
3:57
Lesson Planet

Distance Between Parallel Lines: Lesson

For Students 9th - 12th Standards
Rely on slope when counting won't do. Using horizontal and vertical parallel lines, the presentation shows scholars how to find the distance by counting. The video uses the relationship of the slopes of perpendicular lines to find two...
EngageNY

Families of Parallel Lines and the Circumference of the Earth

For Students 9th - 10th Standards
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
Lesson Planet

Definition of Parallel Lines

For Students 9th - 12th Standards
What does it take to be precise in creating a definition? Scholars demonstrate an understanding of parallel lines by drawing them. They develop a definition that contains enough information but does not have any unecessary criteria.
Lesson Planet

Parallel Lines

For Students 7th - 8th
Based on two sets of parallel lines intersected by a transversal, your young geometers determine the measures of 10 angles by applying the definitions of vertical, corresponding, alternate interior, and alternate exterior angles. When...

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Parallel Lines