Geometry
Presentation
•
Mathematics
•
4th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Khing Burkhalter
Used 10+ times
FREE Resource
19 Slides • 9 Questions
1
Lesson 1
In this lesson you will learn how to identify and draw points, lines, line segments, rays, angles, and so much more!
2
Multiple Choice
What will you learn in this lesson?
How to identify shapes
How to draw
How to draw points, lines, line segments, rays, and angles
3
4
A point is an exact location in space.
POINT
5
Draw
Draw 2 points: A and B
6
A line is a collection of points that continues forever in both directions.
LINES
7
Draw
Connect A to B to create a Line.
8
A line segment is a line with two endpoints.
Line Segment
9
Draw
Draw a Line Segment
10
A ray starts from one point and extends forever.
RAY
11
Draw
Draw a Ray
12
An angle is formed when 2 rays share an endpoint.
ANGLE
13
Hotspot
Tap the 5 Angles in the image.
14
Parallel lines are straight lines that do not intersect at any point.
Parallel Lines
15
Draw
Draw 2 parallel lines
16
When two or more lines cross each other
INTERSECTING LINES
17
Draw
Draw 2 intersecting lines
18
Perpendicular lines are two lines that meet or intersect each other at right angles ( 90 ∘ ) .
Parallel Lines
19
Draw
Draw a perpendicular line
20
21
22
A right angle is an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
RIGHT ANGLE
23
An acute angle is an angle that is less than 90°.
Acute Angle
24
Right Angle VS Acute Angle
25
An angle that is equal to 180 degrees.
STRAIGHT ANGLE
26
Any angle greater than 90°.
Obtuse Angle
27
90° angle.
Right Angle
Any angle LESS than 90°.
Acute Angle
Any angle greater than 90°
Obtuse Angle
An angle that is equal to 180°.
Straight Angle
28
A line segment is a line with two endpoints.
Line Segment
Lesson 1
In this lesson you will learn how to identify and draw points, lines, line segments, rays, angles, and so much more!
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