Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 635 · 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.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
2. 2.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
5. 5.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
6. 6.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
7. 7.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) yes, it works (d) only if it is red
10. 10.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
11. 11.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
12. 12.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
13. 13.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
14. 14.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
15. 15.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
16. 16.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
17. 17.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
19. 19.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
21. 21.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) spend at most ₹100 (d) lift a cup of water
24. 24.📋 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
25. 25.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
26. 26.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
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.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
31. 31.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
32. 32.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) fit on a school desk (d) use at most 20 straws
33. 33.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
34. 34.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
35. 35.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) use only paper and tape (d) hold up 500 g
36. 36.📋 Your team’s budget is ₹121. You must buy one roll of tape for ₹5. Straws cost ₹4 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 96 cm tall. Is it within the constraint? (a) Yes (b) No
38. 38.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.🔍 Which is the odd one out? (a) lift a cup of water (b) roll at least 2 metres (c) stand in a fan breeze (d) fit on a school desk

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