Lesson 2.2.3: Dilating rays lines and circles
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For this lesson there are 9 steps for you to take. Scroll down and do each step one-by-one. The instructions under each step will help clarify exactly what you need to do, so please read all the instructions.
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Here is the Lesson 2.2.3 Worksheet
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Whole Class Warm Up
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Khan Academy Activity: Dilate Shapes
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1.) Start Notes: Targets
Title your notes and write the targets listed below.
Title your notes and write the targets listed below.
- I can dilate a ray.
- I can dilate a line.
- I can dilate a circle.
3.) Video: Rays
Watch this video to see how I carry out each dilation of the rays from above. And make sure to listen to my explanation about whether a dilation maps a ray to a ray. |
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5.) Video: Lines
Watch this video to see how I carried out each dilation from above. Then listen in to see what I think about whether dilations map lines to line. |
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7.) Video: Circles
Watch this video to see how I dilated the circles from above. Then see what I thought about whether dilations map circles to circles. |
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8.) Video: Lesson Summary
Watch this video and copy the notes. This video summarizes the most important information from this lesson. |
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9.) Exit Ticket
Copy the three points (O, S, and T) into your notes. Try to make sure they are in about the same general location from each other as in the image to the right. Then follow steps a through e and answer the questions as well. When you are done, show me your awesome work. A high five is on its way :) |