
G8Q4 L04 - PARALLEL AND PERPENDICULAR LINES
Presentation
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Mathematics
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8th Grade
•
Practice Problem
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Hard
Rovymil Lambojon
Used 7+ times
FREE Resource
17 Slides • 18 Questions
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Are you ready and excited to learn?
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Word Cloud
In a scale from 1-10, how ready and excited are you to learn new math concept/s today?
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ACTIVITY:
REunlocking of Terms
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Multiple Choice
WHAT IS PARRALEL LINES.
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Multiple Choice
WHAT IS INTERSECTING LINES.
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Multiple Choice
WHAT IS ADJACENT ANGLES?
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Multiple Choice
WHAT ARE SUPPLEMENTARY ANGLES?
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Multiple Choice
WHAT ARE VERTICAL ANGLES?
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What have you noticed about the arrangement of paths or corridors in the St. La Salle Building?
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If these corridors were represented as lines, how would you describe their relationship?
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What do you notice about their angles?
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What do you think is this red line called?
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Fill in the Blanks
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PARRALEL
LINES CUT BY A TRANSVERSAL
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Learning Targets
I can prove the properties of parallel lines cut by a transversal.
I can classify angles formed by parallel lines cut by a transversal.
I can solve for measurements of angles formed by parallel lines cut by a transversal.
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ACTIVITY 7.
Exploring Parallel Lines, and Pairs of Angles
In this activity, you will discover and generalize the Parallel Lines, and Pairs of Angles through hands-on exploration and observation. In your group in 15 minutes, you will be given a worksheet for you to work on. Scan the QR code given in that particular worksheet to start the activity. Do this activity in voice level 2.
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QUICK CHECK!
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Multiple Choice
The straight lines AB and CD:
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Multiple Choice
AB and CD are parallel lines and EH is a transversal.
What is the size of angle EFB?
54 degrees
126 degrees
136 degrees
144 degrees
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Multiple Choice
AB and CD are parallel lines and EH is a transversal.
What is the size of angle AFG?
59°
61°
51°
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Multiple Choice
AB and CD are parallel lines and EH is a transversal.
What is the size of angle DGH?
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Multiple Choice
ST and UV are parallel lines.
c and e are:
alternate interior angles.
consecutive interior angles.
supplementary angles.
vertical angles.
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Multiple Choice
ST and UV are parallel lines.
g and f are:
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Multiple Choice
ST and UV are parallel lines.
d and e are:
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Multiple Choice
ST and UV are parallel lines.
d and h are:
Consecutive Interior Angle
Corresponding Angles
Vertical Angles
Alternate Angles
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Multiple Choice
PQ and RS are parallel lines and TW is a transversal.
The size of angle TUQ is (x + 12)° and the size of angle SVW is (3x + 48)°
What is the value of x?
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30
20
42
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Multiple Choice
AB and CD are parallel lines and EH is a transversal.
The size of angle EFB is (2x - 100)° and the size of angle CGF is (x + 52)°
What is the actual size of the Angle EFB ?
76°
52°
27°
128°
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Dropdown
Two alternate
Two
Two
Two
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Revisiting Learning Targets
I can prove the properties of parallel lines cut by a transversal.
I can classify angles formed by parallel lines cut by a transversal.
I can solve for measurements of angles formed by parallel lines cut by a transversal.
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Assignment:
Real-World Parallel & Perpendicular Exploration
Find and take 3 pictures of real-life structures (e.g., roads, bridges, buildings, furniture) that show parallel and perpendicular relationships. Label the lines in each image and explain their relationships. Then, answer the question: Why do you think the designers used parallel or perpendicular lines in these structures? Submit your work via EduQuest.
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