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8th Grade Math (Math 8) · Chapter 9 · Lesson 9.2 · Printable PDF

Dilations Worksheet with Answer Key

7 problems on dilations: finding images from the origin, a dilation of the number line, zooming in on a map, finding the original point, checking possible images, triangle and image, and a segment dilated about its midpoint. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Dilations worksheet with answer key - 8th Grade Math (Math 8) (Page 1 PDF preview)
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What's on the worksheet

  1. Find the image of each point under a dilation centered at the origin:
    (5, −2), k = 3(−12, 20), k = \dfrac14(−6, −10), k = 1.5(0, 7), k = \dfrac27(6, −9), k = \dfrac53
  2. Find where numbers go under a dilation of the number line with center -1.
  3. Word problem: zooming in on a map by spreading two fingers apart.
  4. Find the original point when a dilation with center (-2, 1) and scale factor 2 is known.
  5. Decide which points could be the image of P under a dilation centered at (1, 2).
  6. Find the center and scale factor of the dilation that maps a triangle to its image.
  7. Find lengths when a segment is dilated about its midpoint with scale factor 3.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Dilations: the lesson ›

More Chapter 9 worksheets: Dilations and similarity