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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 900 · 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 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
  2. 2.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  3. 3.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
  4. 4.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  5. 5.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  6. 6.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  7. 7.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  8. 8.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  9. 9.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
  11. 11.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
  12. 12.📋 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
  13. 13.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
  14. 14.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
  15. 15.📋 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, it works (d) yes, always
  16. 16.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  17. 17.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
  18. 18.🔍 Which is the odd one out? (a) use only paper and tape (b) fit on a school desk (c) spend at most ₹100 (d) roll at least 2 metres
  19. 19.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  20. 20.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) fit on a school desk (d) float for 1 minute
  22. 22.📋 A constraint is … (a) a kind of glue (b) a final test (c) a goal for success (d) a limit you must keep to
  23. 23.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
  24. 24.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) stand in a fan breeze (d) use only paper and tape
  26. 26.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 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.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  29. 29.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  30. 30.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  31. 31.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  32. 32.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  33. 33.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
  34. 34.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  35. 35.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
  36. 36.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  37. 37.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  38. 38.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  39. 39.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  40. 40.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True

Answer key

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

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