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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 18 · 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 “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  2. 2.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  3. 3.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) be under 30 cm tall (d) float for 1 minute
  4. 4.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) spend at most ₹100 (d) fit on a school desk
  5. 5.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  6. 6.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) keep ice for 1 hour (d) lift a cup of water
  7. 7.🔍 Which is the odd one out? (a) carry 10 coins (b) roll at least 2 metres (c) fit on a school desk (d) stand in a fan breeze
  8. 8.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) No (b) Yes
  9. 9.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  10. 10.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  11. 11.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  12. 12.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  13. 13.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  14. 14.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
  15. 15.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) use at most 20 straws (d) carry 10 coins
  16. 16.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  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) Yes (b) No
  18. 18.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) Yes (b) No
  19. 19.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  20. 20.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  21. 21.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
  22. 22.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  23. 23.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  24. 24.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  25. 25.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  26. 26.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) use at most 20 straws (d) lift a cup of water
  28. 28.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  29. 29.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
  30. 30.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) Yes (b) No
  31. 31.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
  32. 32.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
  34. 34.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  35. 35.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
  36. 36.🔍 Which is the odd one out? (a) float for 1 minute (b) stand in a fan breeze (c) hold up 500 g (d) use at most 20 straws
  37. 37.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
  38. 38.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) hold up 500 g (d) carry 10 coins
  39. 39.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  40. 40.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No

Answer key

  1. a criterion
  2. 29
  3. float for 1 minute
  4. stand in a fan breeze
  5. 6
  6. be under 30 cm tall
  7. fit on a school desk
  8. No
  9. 15
  10. False
  11. False
  12. a criterion
  13. False
  14. goals a design must meet
  15. carry 10 coins
  16. 14
  17. No
  18. Yes
  19. True
  20. 9
  21. No
  22. a constraint
  23. a criterion
  24. False
  25. True
  26. True
  27. lift a cup of water
  28. True
  29. No
  30. Yes
  31. Yes
  32. 29
  33. No
  34. True
  35. Yes
  36. use at most 20 straws
  37. a limit you must keep to
  38. use only paper and tape
  39. a criterion
  40. Yes

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