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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 97 · 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 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
  2. 2.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  3. 3.📋 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
  4. 4.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  5. 5.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
  6. 6.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  7. 7.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) hold up 500 g (d) fit on a school desk
  8. 8.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  9. 9.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.🔍 Which is the odd one out? (a) roll at least 2 metres (b) float for 1 minute (c) use only paper and tape (d) lift a cup of water
  11. 11.🔍 Which is the odd one out? (a) use only paper and tape (b) float for 1 minute (c) finish in 40 minutes (d) use at most 20 straws
  12. 12.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  13. 13.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  14. 14.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) keep ice for 1 hour (d) be under 30 cm tall
  15. 15.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
  16. 16.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
  17. 17.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) Yes (b) No
  18. 18.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  19. 19.📋 Your team’s budget is ₹162. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  20. 20.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) fit on a school desk (d) use at most 20 straws
  21. 21.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  22. 22.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  23. 23.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  24. 24.📋 Your team’s budget is ₹86. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  25. 25.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  26. 26.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  27. 27.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) No (b) Yes
  28. 28.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) lift a cup of water (d) keep ice for 1 hour
  29. 29.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  30. 30.📋 Your team’s budget is ₹123. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  31. 31.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  32. 32.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
  33. 33.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  34. 34.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) spend at most ₹100 (d) carry 10 coins
  36. 36.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  37. 37.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
  38. 38.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
  39. 39.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
  40. 40.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes

Answer key

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

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