Engineering Worksheet: Constraints and Criteria
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”.
NameDateTime takenScore ___ / 40
- 1.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
- 2.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
- 3.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) use only paper and tape (d) use at most 20 straws
- 4.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
- 5.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
- 6.📋 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
- 7.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
- 8.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
- 9.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
- 10.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
- 11.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) use only paper and tape (d) roll at least 2 metres
- 12.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 13.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 14.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
- 15.📋 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
- 16.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 17.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
- 18.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
- 19.📋 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
- 20.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
- 21.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
- 22.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
- 23.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
- 24.📋 Your team’s budget is ₹126. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 25.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 26.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
- 27.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
- 28.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 29.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the tools you use (d) the team names
- 30.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) hold up 500 g (d) use at most 20 straws
- 31.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
- 32.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
- 33.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 34.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
- 35.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) fit on a school desk (d) roll at least 2 metres
- 36.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 37.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 38.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
- 39.📋 Your team’s budget is ₹96. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 40.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
Answer key
- True
- True
- carry 10 coins
- No
- a criterion
- Yes
- False
- a limit you must keep to
- a criterion
- Yes
- roll at least 2 metres
- 16
- 30
- a constraint
- Yes
- 6
- False
- a constraint
- Yes
- True
- True
- a criterion
- no, it breaks a limit
- 24
- 21
- True
- a criterion
- 10
- goals a design must meet
- hold up 500 g
- a criterion
- Yes
- 6
- a constraint
- fit on a school desk
- 18
- 26
- False
- 20
- Yes
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