Points, Lines, and Rays for 4th Grade
A point marks a position, a line extends without end in both directions, and a ray starts at one point and extends without end in one. Naming each correctly is what makes geometry notation readable. The examples below cover all three, with practice problems.
DETAILED EXPLANATION
A point is a location. A line extends forever in both directions. A ray has one endpoint and extends forever in one direction. A line segment has two endpoints.
WORKED EXAMPLES WITH STEP BY STEP SOLUTIONS
Example 1
How many endpoints does a ray have?
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Solutions:
Step 1: Apply the concept from the lesson above.
Step 2: Carry out the operation or reasoning.
Answer: A ray has one endpoint.
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