
Symmetry
Presentation
•
Mathematics
•
7th - 10th Grade
•
Medium
+3
Standards-aligned
Adrienne Chodnowsky
Used 18+ times
FREE Resource
8 Slides • 25 Questions
1
Symmetry
By Adrienne Chodnowsky
2
Open Ended
What does symmetry mean to you?
3
Symmetry
If a shape is SYMMETRICAL, it means that there is a transformation (rotation, reflection, or translation) that maps it exactly onto itself.
4
3 Types of Symmetry
Line Symmetry
Rotational Symmetry
Point Symmetry
Some text here about the topic of discussion
5
There exists a line of reflection such that every point on a shape maps on to another point creating the same shape
Line Symmetry
6
There exists a line of reflection such that every point on a shape maps on to another point creating the same shape
Line Symmetry (NOT EXAMPLES)
7
Multiple Select
How many lines of symmetry does this figure have?
None
Two
One
8
Multiple Choice
How many lines of symmetry does this shape have?
This a regular octogon, an 8 sided figure.
2
4
6
8
9
Multiple Choice
How many lines of symmetry does the picture have?
This is an equilateral triangle.
0 lines of symmetry
1 line of symmetry
2 lines of symmetry
3 lines of symmetry
10
Multiple Choice
11
Multiple Choice
12
There exists a point of rotation such that every point on a shape maps on to another point creating the same shape
Rotational Symmetry
13
There exists a point of rotation such that every point on a shape maps on to another point creating the same shape
Rotational Symmetry (NON EXAMPLES)
14
Multiple Choice
The order of rotational symmetry of a regular polygon is the same as its number of sides.
Find the order of rotational symmetry in this shape.
4
8
7
6
15
Multiple Choice
16
Multiple Choice
17
Multiple Choice
18
Point Symmetry exists when a figure is built around a point such that every point in the figure has a matching point that is:
the same distance from the central point
but in the opposite direction.
Point Symmetry
19
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
20
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
21
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
22
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
23
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
24
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
25
Multiple Select
Determine if the figure has line, point, and/or rotational symmetry. Check all that apply.
Line
Point
Rotational
None
26
Multiple Choice
27
Multiple Choice
28
Multiple Choice
29
Multiple Choice
30
Multiple Choice
Say 'TRUE' or 'FALSE'
A Parallelogram has no line of symmetry.
TRUE
FALSE
31
Multiple Choice
32
Multiple Choice
Describe the Symmetry.
The figure has point symmetry only
The figure has only line symmetry.
The figure has both point and line symmetry.
The figure has no symmetry.
33
Open Ended
What is one thing new you learned about symmetry?
Symmetry
By Adrienne Chodnowsky
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