Curated OER
What is a Transformation?
A transformation is the process of changing the graph of a figure or a shape. The instructor introduces the four most common transformations: reflection, dilation, rotation, and translation. So watch as she draws the transformations on a...
Curated OER
What is a Transformation?
A transformation is the process of changing the graph of a figure or a shape. The instructor introduces the four most common transformations: reflection, dilation, rotation, and translation. So watch as she draws the transformations on a...
Curated OER
What is a Rotation?
Transformations, isn't that geometry? The instructor illustrates how to rotate a shape around a fixed point on a graph, keeping the shape the same size.
Khan Academy
Khan Academy: Geometry: Ca Geometry: Secants and Translations
Demonstrates solutions to problems #76-80 of California Geometry released state test questions. Problems address tangents to circles, secants to circles, intercepted arcs, translations on the coordinate plane, and rotations on the...
Sophia Learning
Sophia: Rotating on a Coordinate Plane: Lesson 4
This lesson demonstrates how an object can be rotated in space and on a coordinate plane about different points. It is 4 of 5 in the series titled "Rotating On a Coordinate Plane."
Sophia Learning
Sophia: Secant Lines: Lesson 3
This lesson introduces the concept of secant lines. It is 3 of 5 in the series titled "Secant Lines."
Virtual Nerd
Virtual Nerd: What Is a Transformation?
Transformations allow you to change or move a figure. Learn about all the different kinds of transformations by watching this tutorial. [4:18]
Virtual Nerd
Virtual Nerd: What Is a Rotation?
When we rotate something we turn it. In math, when we perform a rotation we turn a figure in a circular motion. This tutorial gives an explanation and examples of rotations. [3:51]
Sophia Learning
Sophia: Center of Rotation
This video lesson defines and provides examples of the center of rotation for geometric figures. [1:55]
Sophia Learning
Sophia: Components of Rotational Inertia
A video screencast demonstrating how the rotational inertia of an object depends on its mass and axis of rotation. [2:22]
Sophia Learning
Sophia: Practice With Rotations
Determine how to rotate a geometric figure across a coordinate plane in this video tutorial. [4:24] Then take a quiz to assess learning.
Sophia Learning
Sophia: Rotating on a Coordinate Plane
Explore how an object can rotate on a coordinate plane then assess learning with a quiz.
Sophia Learning
Sophia: Rotational Symmetry
Rotational symmetry is introduced in this video tutorial. The lesson provides examples and students can check their understanding with an assessment. [2:58]
Sophia Learning
Sophia: Transformations/rotations of Geometric Figures
This video lesson [3:32] demsonstrates how to rotate geometric figures in the coordinate plane. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Practice With Rotations
Explore how to rotate a geometric object across a coordinate plane with this video lesson. [10:37] Assess learning with a quiz.
Virtual Nerd
Virtual Nerd: What Is a Rotation?
Take a look at this tutorial to learn about rotations which are just circular movements. [3:51]
Planet Nutshell
Planet Nutshell: Math Shorts: Rotation
An animated video that explains rotations in transformational geometry. [1:44]
Virtual Nerd
Virtual Nerd:how Do You Rotate a Figure 270 Degrees Clockwise Around the Origin?
This tutorial shows you how to rotate coordinates from the original figure about the origin, then connect the points to create the new figure. Watch this video to see the process in action. [5:52]
Virtual Nerd
Virtual Nerd: How Do You Rotate a Figure 90 Degrees Around the Origin?
This tutorial explains how to rotate coordinates from the original figure about the origins, then connect the points to create the new figure. [4:51]
Virtual Nerd
Virtual Nerd: How Do You Rotate a Figure 180 Degrees Around the Origin?
This tutorial explains how to rotate coordinates from the original figure about the origin, then connect the points to create a new figure. [5:10]
Khan Academy
Khan Academy: Linear Transformation Examples: Rotation in R3 Around the X Axis
Construction a rotation transformation in R3 around the x-axis.
Khan Academy
Khan Academy: Rotating Shapes: Center Not Equal (0,0)
Sal is given a triangle on the coordinate plane and the definition of a rotation about an arbitrary point, and he manually draws the image of that rotation.
Khan Academy
Khan Academy: Rotation Examples (Old)
An older video where Sal finds the images of shapes under various rotations, and where he determines the rotations that take one shape to another.