1 / 53

7th grade

Math Mania. stretching. and. shrinking. 7th grade. Stretching & Shrinking. Scale Factors. Similar Figures. SF and Area . Vocabulary Terms. Writing Rules. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500.

mignon
Download Presentation

7th grade

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Math Mania stretching and shrinking 7th grade

  2. Stretching & Shrinking Scale Factors Similar Figures SF and Area Vocabulary Terms Writing Rules 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

  3. Scale Factors for $100 If you apply a scale factor of 5 to a rectangle, the sides will be ____ times longer. Click here to check your answer

  4. Scale Factors for $100 The sides will be 5 times longer. Back toJeopardy Board

  5. Scale Factors for $200 If you apply a scale factor of 9 to a rectangle, the perimeter will increase ____ times. Click here to check your answer

  6. Scale Factors for $200 The perimeter increases 9 times. Back toJeopardy Board

  7. Scale Factors for $300 Two triangles are similar. One triangle has a side of 5 cm and the corresponding side on the other triangle is 10 cm. What is the scale factor from small to large? Click here to check your answer

  8. Scale Factors for $300 The scale factor is two. Back toJeopardy Board

  9. Scale Factors for $400 The perimeter of one square is 36 in. The perimeter of another square is 12 in. What is the scale factor from the large to the small? Click here to check your answer

  10. Scale Factors for $400 The scale factor is or Back toJeopardy Board

  11. Scale Factors for $500 There are two squares. One has a sides of length 8 mm. The other has sides of length of 6 mm. What is the scale factor from small to large? (Give your answer as a fraction in lowest terms.) Click here to check your answer

  12. Scale Factors for $500 or Back toJeopardy Board

  13. Similar Figures for $100 Are the two rules similar? (x,y) and (2x,y+2) Click here to check your answer

  14. Similar Figures for $100 The rules are NOT similar. Back toJeopardy Board

  15. Similar Figures for $200 Are the two rules similar? (2x,2y+4) and (12x, 12y+12) Click here to check your answer

  16. Similar Figures for $200 The two rules ARE similar. Back toJeopardy Board

  17. Similar Figures for $300 Are the two triangles similar? 10.5 7 4 6 Click here to check your answer

  18. Similar Figures for $300 The figures are similar and the SF is 1.5. Back toJeopardy Board

  19. Similar Figures for $400 Are the rectangles similar? 5.4 16.2 3.5 Click here to check your answer 10.5

  20. Similar Figures for $400 The figures are similar and the SF is 3. Back toJeopardy Board

  21. Similar Figures for $500 Which are similar to a 4 by 6 rectangle? A C 6 2 10 B 3 9 8 Click here to check your answer

  22. Similar Figures for $500 A, yes - SF is 0.5 B, yes - SF is 1.5 C, no Back toJeopardy Board

  23. SF and Area for $100 If the scale factor is 4, the area of the image will be ___ times larger. Click here to check your answer

  24. SF and Area for $100 The area of the image will be 16 times larger. Back toJeopardy Board

  25. SF and Area for $200 If the area of Triangle A is 5 in2 and the scale factor from A to B is 3, what is the area of Triangle B? Click here to check your answer

  26. SF and Area for $200 The area of triangle B is 45 in2. Back toJeopardy Board

  27. SF and Area for $300 If the area of Rectangle A is 8 cm2 and the scale factor from A to B is 2, what is the area of Rectangle B? Click here to check your answer

  28. SF and Area for $300 The area of Rectangle B is 32 cm2. Back toJeopardy Board

  29. SF and Area for $400 If the scale factor is 1.5, the area of the image will be ___ times larger. Click here to check your answer

  30. SF and Area for $400 The area will be 2.25 times larger. Back toJeopardy Board

  31. SF and Area for $500 If the area of Rectangle A is 16 m2 and the scale factor from B to A is , what is the area of Rectangle B? Click here to check your answer

  32. SF and Area for $500 The area of Rectangle B is 4 m2. Back toJeopardy Board

  33. Vocabulary Terms for $100 Define perimeter. Click here to check your answer

  34. Vocabulary Terms for $100 The distance around a figure. Back toJeopardy Board

  35. Vocabulary Terms for $200 Define area. Click here to check your answer

  36. Vocabulary Terms for $200 The amount of space inside a figure. Back toJeopardy Board

  37. Vocabulary Terms for $300 Define scale factor. Click here to check your answer

  38. Vocabulary Terms for $300 The scale factor tells how many times larger or smaller the image is compared to the original figure. Back toJeopardy Board

  39. Vocabulary Terms for $400 Define corresponding. Click here to check your answer

  40. Vocabulary Terms for $400 Corresponding angles or sides are have the same position in similar figures. Back toJeopardy Board

  41. Vocabulary Terms for $500 What three things make two figures mathematically similar? Click here to check your answer

  42. Vocabulary Terms for $500 1. Same general shape. 2. Same corresponding angles. 3. Side lengths are increased by the same factor. Back toJeopardy Board

  43. Writing Rules for $100 Write a rule that will make the sides of a figure three times longer. Use (x,y) as the original rule. Click here to check your answer

  44. Writing Rules for $100 (3x, 3y) Back toJeopardy Board

  45. Writing Rules for $200 Write a rule that will make the figure twice as tall and six times as wide. Use (x,y) as the original rule. Click here to check your answer

  46. Writing Rules for $200 (6x, 2y) Back toJeopardy Board

  47. Writing Rules for $300 Write a rule that will move a figure to the right two units. Use (x,y) as the original rule. Click here to check your answer

  48. Writing Rules for $300 (x + 2, y) Back toJeopardy Board

  49. DAILY DOUBLE DAILY DOUBLE DAILY DOUBLE DAILY DOUBLE

  50. Writing Rules for $400 DAILY DOUBLE Write a rule that will make the sides of a figure six times longer and moves the figure up 2 units. Use (x,y) as the original rule. Click here to check your answer

More Related