Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 670 · 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 “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) fit on a school desk (d) finish in 40 minutes
3. 3.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) finish in 40 minutes (b) float for 1 minute (c) fit on a school desk (d) be under 30 cm tall
5. 5.📋 Your team’s budget is ₹69. 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.📋 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
7. 7.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) roll at least 2 metres (c) spend at most ₹100 (d) fit on a school desk
9. 9.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
10. 10.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) carry 10 coins (d) spend at most ₹100
11. 11.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
12. 12.🔍 Which is the odd one out? (a) float for 1 minute (b) carry 10 coins (c) roll at least 2 metres (d) spend at most ₹100
13. 13.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) use only paper and tape (d) use at most 20 straws
15. 15.📋 Your team’s budget is ₹112. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) stand in a fan breeze (c) use only paper and tape (d) roll at least 2 metres
17. 17.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) hold up 500 g (d) spend at most ₹100
18. 18.📋 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
19. 19.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
20. 20.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
21. 21.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) lift a cup of water (d) fit on a school desk
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
24. 24.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
25. 25.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
26. 26.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
27. 27.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
29. 29.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
30. 30.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
32. 32.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
34. 34.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
35. 35.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
36. 36.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
37. 37.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
39. 39.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success

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