When it comes to teaching your students about Parallel Lines and Transversals its all about the visuals! Here are our Top 3 Favorite YouTube videos to assist in teaching this very lengthy lesson.

## 1.) Start with the Basics when Teaching Parallel Lines and Transversals

## 2.) Real World Uses of Parallel Lines and Transversals

## 3.) Finally the meat of the more advanced topics

## Here are your FREE Parallel Lines and Transversals Worksheet, Guided Notes, Slide Show and More!

## PDFs

3-2 Use Parallel Lines and Transversals Worksheet ( FREE )

3-2 Bell Work - Use Parallel Lines and Transversals ( FREE )

3-2 Use Parallel Lines and Transversals Quiz ( FREE )

3-2 Guided Notes SE - Use Parallel Lines and Transversals ( FREE )

3-2 Guided Notes Teacher Edition (Members Only)

3-2 Slide Show - Use Parallel Lines and Transversals ( FREE )

3-2 Lesson Plan (Members Only)

3-2 Video Lesson (Members Only)

3-2 Online Activities (Members Only)

## Parallel Lines Cut by a Transversal Worksheet Doc & PowerPoint

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## Common Core Standards Parallel Lines cut by a Transversal

**CCSS.MATH.CONTENT.HSG.CO.C.11**

Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.

**CCSS.MATH.CONTENT.HSG.CO.D.12**

Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.).Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.

### Algebra Needed for Lesson on Parallel Lines and Transversals

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### Fun Class Activities Incorporating Parallel Lines and Transversals

## Parallel Lines Cut by a Transversal Guided Notes

Parallel lines are coplanar lines that do not intersect. The symbol ∥ means “is parallel to.”

When a line intersects two or more lines, the angles formed at the intersection points create special angle pairs.

A * transversal* is a line that intersects two or more coplanar lines at distinct points.

The special angle pairs formed by parallel lines and a transversal are congruent, supplementary, or both.

### Alternate Interior Angles Theorem

If a transversal intersects two parallel lines, then alternate interior angles are congruent.

### Corresponding Angles Theorem

If a transversal intersects two parallel lines, then corresponding angles are congruent.

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