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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 106 · 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.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  2. 2.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) no, it breaks a limit (c) yes, always (d) yes, it works
  3. 3.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  4. 4.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
  5. 5.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  6. 6.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  7. 7.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) fit on a school desk (b) lift a cup of water (c) carry 10 coins (d) keep ice for 1 hour
  9. 9.📋 Your team’s budget is ₹121. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  10. 10.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  11. 11.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  12. 12.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  13. 13.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  14. 14.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  15. 15.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) spend at most ₹100 (d) use at most 20 straws
  16. 16.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
  17. 17.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  18. 18.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
  19. 19.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  20. 20.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  22. 22.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  23. 23.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  24. 24.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  25. 25.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
  26. 26.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  27. 27.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  28. 28.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) carry 10 coins (d) stand in a fan breeze
  29. 29.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  30. 30.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
  31. 31.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  32. 32.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  33. 33.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
  34. 34.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  35. 35.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  36. 36.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  37. 37.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) use at most 20 straws (d) roll at least 2 metres
  39. 39.🔍 Which is the odd one out? (a) lift a cup of water (b) keep ice for 1 hour (c) finish in 40 minutes (d) stand in a fan breeze
  40. 40.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) use only paper and tape (d) hold up 500 g

Answer key

  1. 24
  2. no, it breaks a limit
  3. False
  4. goals a design must meet
  5. False
  6. True
  7. True
  8. fit on a school desk
  9. 27
  10. a constraint
  11. a criterion
  12. False
  13. a criterion
  14. a constraint
  15. carry 10 coins
  16. No
  17. No
  18. a limit you must keep to
  19. No
  20. False
  21. Yes
  22. True
  23. False
  24. True
  25. Yes
  26. 22
  27. a constraint
  28. use only paper and tape
  29. a criterion
  30. Yes
  31. False
  32. a criterion
  33. Yes
  34. False
  35. True
  36. True
  37. True
  38. roll at least 2 metres
  39. finish in 40 minutes
  40. hold up 500 g

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