Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 5 · 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 ₹106. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
2. 2.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
3. 3.📋 Your team’s budget is ₹73. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
5. 5.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) stand in a fan breeze (d) be under 30 cm tall
6. 6.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
7. 7.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
8. 8.📋 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
9. 9.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) float for 1 minute (d) spend at most ₹100
11. 11.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
12. 12.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
13. 13.📋 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
14. 14.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
17. 17.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
18. 18.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
22. 22.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
23. 23.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
24. 24.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
27. 27.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 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?
29. 29.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
30. 30.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) roll at least 2 metres (d) lift a cup of water
33. 33.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
34. 34.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
35. 35.🔍 Which is the odd one out? (a) hold up 500 g (b) use only paper and tape (c) carry 10 coins (d) keep ice for 1 hour
36. 36.🔍 Which is the odd one out? (a) use at most 20 straws (b) keep ice for 1 hour (c) finish in 40 minutes (d) spend at most ₹100
37. 37.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
38. 38.📋 Your team’s budget is ₹83. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
40. 40.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True

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