Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 304 · 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.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
2. 2.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
4. 4.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
6. 6.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) finish in 40 minutes (d) use only paper and tape
8. 8.📋 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?
9. 9.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
11. 11.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
12. 12.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 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
14. 14.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
15. 15.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) float for 1 minute (d) keep ice for 1 hour
17. 17.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
18. 18.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
19. 19.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
20. 20.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
22. 22.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
25. 25.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
26. 26.📋 Your team’s budget is ₹117. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
27. 27.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
29. 29.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No
31. 31.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
33. 33.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) no, it breaks a limit (d) yes, it works
34. 34.📋 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
35. 35.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
36. 36.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) use at most 20 straws (b) lift a cup of water (c) be under 30 cm tall (d) use only paper and tape
38. 38.📋 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
39. 39.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
40. 40.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) Yes (b) No

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