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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 264 · 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.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
  2. 2.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) No (b) Yes
  3. 3.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) be under 30 cm tall (b) roll at least 2 metres (c) spend at most ₹100 (d) fit on a school desk
  5. 5.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  6. 6.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  7. 7.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  8. 8.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
  9. 9.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
  10. 10.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) spend at most ₹100 (d) keep ice for 1 hour
  11. 11.📋 Your team’s budget is ₹172. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  12. 12.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
  13. 13.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) finish in 40 minutes (d) spend at most ₹100
  14. 14.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
  15. 15.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  16. 16.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  17. 17.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  18. 18.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  19. 19.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  20. 20.📋 Your team’s budget is ₹136. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  21. 21.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  22. 22.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
  23. 23.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
  24. 24.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  25. 25.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  26. 26.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  27. 27.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  28. 28.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  29. 29.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  30. 30.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
  31. 31.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  32. 32.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  33. 33.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
  34. 34.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) finish in 40 minutes (d) stand in a fan breeze
  35. 35.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  36. 36.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
  37. 37.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) carry 10 coins (d) finish in 40 minutes
  38. 38.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) lift a cup of water (d) be under 30 cm tall
  40. 40.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion

Answer key

  1. Yes
  2. No
  3. False
  4. roll at least 2 metres
  5. 5
  6. True
  7. a constraint
  8. No
  9. goals a design must meet
  10. keep ice for 1 hour
  11. 30
  12. No
  13. hold up 500 g
  14. No
  15. True
  16. False
  17. a constraint
  18. 26
  19. Yes
  20. 23
  21. a constraint
  22. Yes
  23. No
  24. a criterion
  25. True
  26. 9
  27. False
  28. a constraint
  29. False
  30. no, it breaks a limit
  31. True
  32. 30
  33. Yes
  34. stand in a fan breeze
  35. True
  36. a criterion
  37. carry 10 coins
  38. True
  39. lift a cup of water
  40. a criterion

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