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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 380 · 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.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
  2. 2.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  3. 3.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) stand in a fan breeze (d) be under 30 cm tall
  4. 4.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
  5. 5.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  6. 6.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) roll at least 2 metres (d) lift a cup of water
  7. 7.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  8. 8.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  9. 9.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  10. 10.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  11. 11.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  12. 12.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  13. 13.📋 Your team’s budget is ₹166. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  14. 14.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  15. 15.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  16. 16.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  17. 17.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  18. 18.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  19. 19.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  20. 20.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  21. 21.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
  22. 22.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  23. 23.📋 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
  24. 24.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  25. 25.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  26. 26.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
  27. 27.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) use only paper and tape (d) roll at least 2 metres
  28. 28.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) lift a cup of water (b) keep ice for 1 hour (c) finish in 40 minutes (d) carry 10 coins
  30. 30.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) use at most 20 straws (d) be under 30 cm tall
  32. 32.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  33. 33.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  34. 34.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) no, it breaks a limit (d) yes, always
  35. 35.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  36. 36.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  37. 37.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  38. 38.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  39. 39.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  40. 40.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) No (b) Yes

Answer key

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

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