2. Stretching & Shrinking 7th grade

3. 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching & Shrinking

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

5. The sides will be 5 times longer. Back to Jeopardy Board Scale Factors for $100

6. 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

7. The perimeter increases 9 times. Back to Jeopardy Board Scale Factors for $200

8. 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? Scale Factors for $300 Click here to check your answer

9. The scale factor is two. Back to Jeopardy Board Scale Factors for $300

10. 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

11. The scale factor is Back to Jeopardy Board Scale Factors for $400

12. 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.) Scale Factors for $500 Click here to check your answer

13. or Back to Jeopardy Board Scale Factors for $500

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

15. The rules are NOT similar. Back to Jeopardy Board Similar Figures for $100

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

17. The two rules ARE similar. Back to Jeopardy Board Similar Figures for $200

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

19. The figures are similar and the SF is 1.5. Back to Jeopardy Board Similar Figures for $300

20. Are the rectangles similar? Similar Figures for $400 Click here to check your answer 3.516.2 10.5 5.4

21. Back to Jeopardy Board Similar Figures for $400 The figures are similar and the SF is 3.

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

23. A, yes - SF is 0.5 B, no C, yes – SF is 1.5 Back to Jeopardy Board Similar Figures for $500

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

25. Back to Jeopardy Board The area of the image will be 16 times larger. SF and Area for $100

26. SF and Area for $200 Click here to check your answer If the area of Triangle A is 5 in 2 and the scale factor from A to B is 3, what is the area of Triangle B?

27. The area of triangle B is 45 in 2. Back to Jeopardy Board SF and Area for $200

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

29. The area of Rectangle B is 32 cm 2. Back to Jeopardy Board SF and Area for $300

30. 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

31. The area will be 2.25 times larger. Back to Jeopardy Board SF and Area for $400

32. If the area of Rectangle A is 16 m 2 and the scale factor from B to A is, what is the area of Rectangle B? SF and Area for $500 Click here to check your answer

33. The area of Rectangle B is 4 m 2. Back to Jeopardy Board SF and Area for $500

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

35. The distance around a figure. Back to Jeopardy Board Vocabulary Terms for $100

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

37. The amount of space inside a figure. Back to Jeopardy Board Vocabulary Terms for $200

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

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

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

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

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

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

44. 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

45. (3x, 3y) Back to Jeopardy Board Writing Rules for $100

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

47. (6x, 2y) Back to Jeopardy Board Writing Rules for $200

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

49. (x + 2, y) Back to Jeopardy Board Writing Rules for $300

51. Writing Rules for $400 Click here to check your answer 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.

52. (6x, 6y + 2) Back to Jeopardy Board Writing Rules for $400

53. Writing Rules for $500 Click here to check your answer Write a rule that will increase the height two times, the width seven times, move to the left 4 units, and up 9 units. Use (x,y) as the original rule.

54. (7x - 4, 2y + 9) Back to Jeopardy Board Writing Rules for $500