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Rotation in Geometry




 
Videos, worksheets, stories and songs to help Grade 7 students learn about rotation in geometry.

Related Topics:
More lessons on Rotation and other forms of Transformation , Transformation Games and Activities

Rotation

A rotation (or turn) is a transformation that turns a line or a shape around a fixed point. This point is called the center of rotation. We usually measure the number of degrees of rotation of a shape in a counterclockwise direction.

Introduction to Rotation
Rotate 90 degrees clockwise
Rotate 90 degrees counterclockwise
Rotate 180 degrees
Math Rotations
Students learn that when a figure is turned to a new position, the transformation is called a rotation.
Estimate the number of degrees and state the direction in which the following figure has been rotated.



Rotation of figures
A video showing how to rotate a figure "x" degrees around a point.
How to rotate a figure 90 degrees rotation about a point O using a compass and a protractor.
Geometry Construction: Rotating a Figure by Hand
How to rotate a figure around a fixed point using a compass and protractor.
Rotate "H" 100 degrees counterclockwise around a point P.


 

Rotations on the Coordinate Plane

Transformations - Rotate 90 degrees
Rotating a polygon clockwise 90 degrees around the origin.
Step 1: For a 90 degree rotation around the origin, switch the x, y values of each ordered pair for the location of the new point.
Step 2: After you have your new ordered pairs, plot each point.
Rotate 180 Degrees Around The Origin
This tutorial shows why all signs of an ordered pair of an object become opposite when rotating that object 180 degrees around the origin.


A lesson on transformations, with a focus on rotation and reflection
Rules for reflections and rotations on the coordinate plane.


 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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