Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 522 · 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.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
3. 3.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
4. 4.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
6. 6.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
7. 7.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) keep ice for 1 hour (d) spend at most ₹100
9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
10. 10.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
11. 11.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
12. 12.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
13. 13.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
15. 15.🔍 Which is the odd one out? (a) roll at least 2 metres (b) float for 1 minute (c) use only paper and tape (d) lift a cup of water
16. 16.🔍 Which is the odd one out? (a) fit on a school desk (b) lift a cup of water (c) carry 10 coins (d) roll at least 2 metres
17. 17.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
18. 18.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) use only paper and tape (d) float for 1 minute
20. 20.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) use only paper and tape (d) fit on a school desk
21. 21.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
22. 22.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
23. 23.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
24. 24.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
25. 25.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
27. 27.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.🔍 Which is the odd one out? (a) lift a cup of water (b) hold up 500 g (c) be under 30 cm tall (d) float for 1 minute
29. 29.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
30. 30.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
32. 32.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
33. 33.📋 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
34. 34.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
35. 35.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) no, it breaks a limit (c) yes, it works (d) yes, always
36. 36.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) hold up 500 g (d) be under 30 cm tall
37. 37.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 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?
39. 39.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
40. 40.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) roll at least 2 metres (d) use only paper and tape

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