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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 913 · 40 questions
TalentJR

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) roll at least 2 metres (d) lift a cup of water
  2. 2.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) Yes (b) No
  3. 3.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) keep ice for 1 hour (d) roll at least 2 metres
  4. 4.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
  5. 5.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  6. 6.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  7. 7.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
  8. 8.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  9. 9.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) no, it breaks a limit (d) yes, it works
  10. 10.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  11. 11.📋 Your team’s budget is ₹121. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  12. 12.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  13. 13.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  14. 14.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
  15. 15.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) Yes (b) No
  16. 16.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) finish in 40 minutes (d) be under 30 cm tall
  17. 17.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  18. 18.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  19. 19.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  20. 20.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes
  21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
  22. 22.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  23. 23.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  24. 24.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  25. 25.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  26. 26.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) No (b) Yes
  27. 27.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  28. 28.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  29. 29.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  30. 30.📋 Your team’s budget is ₹149. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  31. 31.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) spend at most ₹100 (d) lift a cup of water
  32. 32.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
  33. 33.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  35. 35.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  36. 36.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  37. 37.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  38. 38.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  39. 39.📋 Your team’s budget is ₹77. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  40. 40.📋 Your team’s budget is ₹13. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?

Answer key

  1. use only paper and tape
  2. Yes
  3. finish in 40 minutes
  4. a limit you must keep to
  5. False
  6. True
  7. goals a design must meet
  8. True
  9. no, it breaks a limit
  10. 11
  11. 21
  12. a criterion
  13. False
  14. No
  15. Yes
  16. stand in a fan breeze
  17. True
  18. False
  19. a constraint
  20. No
  21. No
  22. a criterion
  23. No
  24. True
  25. 22
  26. Yes
  27. False
  28. True
  29. True
  30. 28
  31. lift a cup of water
  32. False
  33. a constraint
  34. a constraint
  35. a constraint
  36. Yes
  37. 13
  38. Yes
  39. 15
  40. 8

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