## VIdeo Narrative_Beginning_Line It Up.mov - Section 2: Exploration

*VIdeo Narrative_Beginning_Line It Up.mov*

# Line It Up!

Lesson 6 of 9

## Objective: SWBAT write equations of lines that are parallel and perpendicular given slopes and points. SWBAT construct parallel and perpendicular lines.

#### Do Now

*10 min*

Students will find the slope of a line given 2 points. This is a pre-requisite skill but may require review for students, particularly the slope formula.

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After reviewing parallel and perpendicular lines, we will review with students how to write equations in slope-intercept form and point-slope form. Then, you can focus on how to write parallel and perpendicular lines with given information like an equation and a point (MP #8).

The topic covered in this section are a review of CCSS in Algebra and you may find that students with weaker backgrounds need a more concrete review of this topic. The next lesson in this curriculum, Perp Lines are Perfect!, will continue to review writing equations.

*Students Notes - Line It Up!*

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#### Construction

*10 min*

Students will read through the steps to construct a parallel line through a given point, and can watch the video of this being constructed (MP 5). I like to watch the entire video first, read through the steps to construction, and then go through the construction step by step with the whole class. There is a second practice example provided for students to try on their own.

**Student Notes - Line It Up!**

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This is a packed lesson and there may not be time for students to complete the activity; in this case the class work can be assigned as homework.

For the exit ticket, students will write the equation of a line perpendicular to a given line and through a given point. This may be a good exit ticket to collect to see how and if students have strong algebra skills or if this topic needs further reinforcement.

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Hi Nancy,Thank you so much, what a wonderful compliment!Â We don't have Ipads/tablets at my school so we mostly use the textbook.Â One idea may be to use kuta and also maybe Socrative.com - I really like this for quizzes and also the Spacerace game. There is also problem-attic.Â Hope that helps, would love to hear if you have any websites to share.Â

| 2 years ago | Reply

I can't tell you how much this website and your lessons in particular have helped me this year! Â I have recently returned to teaching after an 8 year absence. Â To return at the initial adoption of Common Core in a school district that is drastically behind was a huge decision. Â We are in the bottom 20% for our state. Â Your lessons have been a tremendous help. Â We are not currently using a text book, but I do have a 2007 McDougal Littell series in the room should I choose to use it. Â So far I have used your handouts, Â Kuta Software and a few other occasional supplements. Â Our district has chosen to go one on one with ipads for all of our freshmen and sophomores. Â Are there any apps that you find helpful in your classroom? Â

Â

Nancy Jane Smith

| 2 years ago | Reply

Hi Nancy,Â We use the Glencoe Geometry series but I've also included extra homework problems in each lesson for you to use - however, I do like to use textbook examples as practice and reinforcement for my students.Â Do you have any other questions or suggestions for this lessons or others?Â Thank you for checking out my lessons!

| 3 years ago | Reply

I've noticed that your homework must be from a text.Â What text do you use?

| 3 years ago | Reply*expand comments*

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- UNIT 1: Introduction to Geometry: Points, Lines, Planes, and Angles
- UNIT 2: Line-sanity!
- UNIT 3: Transformers and Transformations
- UNIT 4: Tremendous Triangles
- UNIT 5: Three Triangle Topics
- UNIT 6: Pretty Polygons
- UNIT 7: MidTerm Materials
- UNIT 8: Circles
- UNIT 9: 3-D Shapes and Volume
- UNIT 10: Sweet Similar Shapes
- UNIT 11: Trig Trickery
- UNIT 12: Finally Finals

- LESSON 1: Proving It
- LESSON 2: Prove It with Angle Relationships
- LESSON 3: Skew Lines and their Friends
- LESSON 4: PTA (Parallel Lines, Transversals and Angles)
- LESSON 5: Flow Proofs and PTA
- LESSON 6: Line It Up!
- LESSON 7: Perp Lines are Perfect
- LESSON 8: Parabolas and Review of Line-sanity!
- LESSON 9: Assessment for Line-Sanity