Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 294 · 40 questions

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”.

1. 1.📋 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
2. 2.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) use only paper and tape (d) use at most 20 straws
3. 3.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
5. 5.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
6. 6.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
7. 7.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) fit on a school desk (d) lift a cup of water
10. 10.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
11. 11.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
13. 13.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
14. 14.📋 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) yes, always (d) no, it breaks a limit
15. 15.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
16. 16.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
17. 17.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
18. 18.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
20. 20.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
22. 22.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
23. 23.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
24. 24.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) use only paper and tape (d) fit on a school desk
26. 26.📋 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
27. 27.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
28. 28.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 Your team’s budget is ₹29. 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.📋 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
31. 31.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) fit on a school desk (d) float for 1 minute
32. 32.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) keep ice for 1 hour (d) use at most 20 straws
34. 34.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) fit on a school desk (d) carry 10 coins
35. 35.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) spend at most ₹100 (d) roll at least 2 metres
36. 36.📋 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?
37. 37.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) Yes (b) No
38. 38.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
39. 39.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
40. 40.📋 Your team’s budget is ₹93. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?

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