1.11 Points, Line Segments, Lines and Rays
Presentation
•
Mathematics
•
4th Grade
•
Medium
Standards-aligned
Kimberly Santaromita
Used 496+ times
FREE Resource
14 Slides • 9 Questions
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1.11 Points, Line Segments, Lines and Rays
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These dots represent POINTS
We name points using capital letters
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This is called a LINE SEGMENT
A and B are now called ENDPOINTS
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This LINE SEGMENT has a name
We call it "line segment AB" or "line segment BA" a short way of writing it is circled below the line segment
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HOW WOULD YOU DESCRIBE A LINE SEGMENT TO SOMEONE WHO HAS NEVER SEEN ONE BEFORE?
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How is this different than a line segment?
This is called a LINE
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This LINE has a name
We call it "line AB" or "line BA". A short way of writing it is circled below the line segment
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Imagine a line segment that goes on without end IN ONLY ONE DIRECTION
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This is called a RAY
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This RAY has a name... Ray CD
When we write the name of a RAY the ENDPOINT (here it is C) is ALWAYS WRITTEN FIRST
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What line segments are PARALLEL on this square?
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What line segments are PARALLEL on this square?
Line segment AB (BA) and BC (CB) AND Line segment DC (CD) and AB (BA)
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Multiple Choice
What is ONE of the parallel line segments on this shape?
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Multiple Choice
What is ANOTHER pair of parallel line segments on this shape?
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Multiple Select
What is a name for LINE SEGMENT? THERE ARE TWO CORRECT ANSWERS
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Multiple Choice
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What is the name of this ray?
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Multiple Choice
What is this?
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Multiple Choice
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Multiple Choice
What does the image show?
(The whole thing, not just the points)
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Multiple Choice
What does the image show?
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Multiple Choice
What does the image show?
(The whole thing, not just the points)
1.11 Points, Line Segments, Lines and Rays
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