Axis of symmetry
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Axis of symmetry | |
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Description | |
Exercise Name: | Axis of symmetry |
Math Missions: | 4th grade (U.S.) Math Mission |
Types of Problems: | 3 |
The Axis of symmetry exercise falls under the 4th grade (U.S.) Math Mission. This exercise introduces the idea of an axis of reflectional symmetry.
Types of Problems
There are three types of problems in this exercise:
- Make the line of symmetry: This problem asks the user to make a line going through given dots that will be an axis of symmetry of a given shape.
- Make the symmetric shape: This problem asks the user to create a shape that is symmetric with respect to a given line.
- Choose the axis of symmetry: This problem draws a shape and give several potential reflectional symmetry lines. The user is expected to selects all of the lines that are axes of symmetry.
Strategies
This exercise is hard to get accuracy badges because some of the pictures can be a little subtle. It is hard difficulty to attain speed badges because of the time needed to move things around to make shapes.
- When the symmetry is close, it is a good idea to use a piece of paper or other "ruler" to make sure you are selecting correct answers or drawing correct shapes.