Whoops! Something went wrong.

Click here to refresh the page

8.10a Scale Factor : dimensions of a shape changed proportionally

Grade Levels
Product Rating
File Type

PDF (Acrobat) Document File

Be sure that you have an application to open this file type before downloading and/or purchasing.

216 KB|5 pages
Product Description
TEKS 8.10a Describe the resulting effects on perimeter and area when the dimensions of a shape are changed proportionally.
Your task is to:
• The rectangle drawn on the graph is the pre-image, record the coordinates of the vertices.
• Calculate the perimeter and area of this rectangle, called the pre-mage.
• Use the scale factor given in each problem to dilate the pre-image.
• Using the specified color, draw each image of the original rectangle so that it overlaps the pre-image (original).
• Calculate the perimeter and area for each image (new rectangle) and record on your answer document.
• There is a pattern that exists between the scale factors and the perimeter of each rectangle.
• There is also a pattern between the scale factors and areas. Try to see if you notice what these patterns are.
• Answer the questions at the end of your answer document about the patterns you observe.
Total Pages
Answer Key
Teaching Duration
Report Copyright Infringement
  • Comments & Ratings
  • Product Q & A
Digital Download
Add one to cart



Digital Download
Add one to cart
Teachers Pay Teachers

Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.

Learn More

Keep in Touch!

Sign up