Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 707 · 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 “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
3. 3.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
5. 5.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) yes, it works (d) no, it breaks a limit
6. 6.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
7. 7.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
9. 9.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) use only paper and tape (b) hold up 500 g (c) use at most 20 straws (d) spend at most ₹100
11. 11.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) Yes (b) No
13. 13.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
15. 15.🔍 Which is the odd one out? (a) use at most 20 straws (b) stand in a fan breeze (c) finish in 40 minutes (d) use only paper and tape
16. 16.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
17. 17.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
18. 18.🔍 Which is the odd one out? (a) carry 10 coins (b) use only paper and tape (c) hold up 500 g (d) stand in a fan breeze
19. 19.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) hold up 500 g (d) roll at least 2 metres
21. 21.📋 Your team’s budget is ₹15. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
22. 22.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.🔍 Which is the odd one out? (a) use only paper and tape (b) finish in 40 minutes (c) use at most 20 straws (d) lift a cup of water
26. 26.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
28. 28.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
29. 29.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
30. 30.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
31. 31.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
32. 32.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) lift a cup of water (b) spend at most ₹100 (c) roll at least 2 metres (d) carry 10 coins
34. 34.📋 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
35. 35.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
36. 36.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
37. 37.📋 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?
38. 38.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False

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