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Unit 4

Unit 4. Review Game. Please select a Team. 1. 2. Team Mario Team Luigi Team Yoshi Team Peach Team Bowser. 3. 5. 4. How many different (non-congruent) triangles can be made from three line segments with measures of 9cm, 12cm, and 15cm?. One Two Three Four.

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Unit 4

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  1. Unit 4 Review Game

  2. Please select a Team. 1. 2. • Team Mario • Team Luigi • Team Yoshi • Team Peach • Team Bowser 3. 5. 4.

  3. How many different (non-congruent) triangles can be made from three line segments with measures of 9cm, 12cm, and 15cm? • One • Two • Three • Four

  4. Which of the following sets of side lengths could not be used to form a triangle? • 8 in, 9 in, 10 in • 6 in, 4 in, 11 in • 3in, 4 in, 2 in • 45 in, 50 in, 80 in

  5. Team Scores

  6. How many different (non-congruent) triangles can be drawn with one 70˚ angle, one 50˚ angle, and one 60˚ angle? • Zero • Exactly one • Exactly three • Infinitely many triangles

  7. Addison enlarged a rectangular photograph on a copy machine. The original dimensions of the photograph were 3 inches by 5 inches. The enlarged copy is 7.5 inches by 12.5 inches. What scale factor did she use? • 1.75 • 2 • 2.5 • 3.5

  8. Team Scores

  9. Participant Scores

  10. A scale drawing of a boat is 1/300 of the original. If the scale drawing is 15 cm long, approximately how many meters would the actual boat be? (There are 100 centimeters in a meter) • 45 meters • 55 meters • 120 meters • 4500 meters

  11. Team Scores

  12. What percentage of your current points would you like to wager on the next question? • 0% 25% 50% 75% 100%

  13. Emilio’s dog stays in a small rectangular pen that measures 6 feet wide by 8 feet long. Emilio is going to build a pen that is larger than the original by a scale factor of 2. How many times larger will the area of the new pen be than the original? • 2 • 4 • 6 • 8

  14. Team Scores

  15. Heath measures a photograph of his house. In the photo, the his house is 6 inches high and the doorway is 1 inch high. Heath measures his actual front door and it is 7 feet high. Estimate the height of Heath’s house based on his measurements. • 35 ft • 40 ft • 42 ft • 50 ft

  16. Participant Scores

  17. Which shape could not be a cross section for a cone? • Circle • Ellipse • Square • Triangle

  18. Team Scores

  19. Describe the shape of the cross section that is formed when the triangular pyramid is sliced by a plane perpendicular to its base. • Triangle • Square • Rectangle • None of the above

  20. Describe the shape of the cross section that is formed when the cylinder is sliced by a plane parallel to its base. • Cone • Rectangle • Ellipse • None of the above

  21. What percentage of your current points would you like to wager on the final question? • 0% 25% 50% 75% 100%

  22. Rectangle B is 9 units by 15 units. If a similar rectangle is made using a scale factor of 2/3, what would be the perimeter of the new rectangle? • 60 • 16 • 48 • 32

  23. Fastest Responders (in seconds)

  24. Team MVP

  25. Participant Scores

  26. Team Scores

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