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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 205 · 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”.

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  1. 1.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  2. 2.📋 Your team’s budget is ₹57. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  3. 3.📋 A constraint is … (a) a goal for success (b) a final test (c) a kind of glue (d) a limit you must keep to
  4. 4.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  5. 5.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  6. 6.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  7. 7.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  8. 8.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  9. 9.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) finish in 40 minutes (d) spend at most ₹100
  10. 10.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) spend at most ₹100 (d) roll at least 2 metres
  11. 11.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
  12. 12.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  13. 13.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  14. 14.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
  15. 15.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  16. 16.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  17. 17.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  18. 18.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  19. 19.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) float for 1 minute (d) use only paper and tape
  20. 20.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  21. 21.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) roll at least 2 metres (d) hold up 500 g
  22. 22.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  23. 23.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) use only paper and tape (d) keep ice for 1 hour
  24. 24.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
  25. 25.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
  26. 26.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
  27. 27.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  28. 28.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
  29. 29.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  30. 30.📋 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
  31. 31.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  32. 32.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  33. 33.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) hold up 500 g (b) finish in 40 minutes (c) use only paper and tape (d) use at most 20 straws
  35. 35.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
  36. 36.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
  37. 37.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  38. 38.🔍 Which is the odd one out? (a) fit on a school desk (b) carry 10 coins (c) use only paper and tape (d) be under 30 cm tall
  39. 39.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
  40. 40.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True

Answer key

  1. a criterion
  2. 21
  3. a limit you must keep to
  4. No
  5. True
  6. a constraint
  7. 22
  8. 10
  9. roll at least 2 metres
  10. spend at most ₹100
  11. True
  12. False
  13. False
  14. goals a design must meet
  15. 18
  16. False
  17. False
  18. 15
  19. float for 1 minute
  20. a criterion
  21. be under 30 cm tall
  22. a constraint
  23. use only paper and tape
  24. Yes
  25. no, it breaks a limit
  26. Yes
  27. False
  28. No
  29. 24
  30. Yes
  31. False
  32. False
  33. False
  34. hold up 500 g
  35. No
  36. No
  37. 12
  38. carry 10 coins
  39. No
  40. False

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