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: “lift a cup of water” is a constraint (a limit). (a) True (b) False
- 3.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
- 4.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
- 5.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
- 6.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 7.📋 Your team’s budget is ₹128. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 8.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) float for 1 minute (d) roll at least 2 metres
- 9.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
- 10.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
- 11.📋 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
- 12.🔍 Which is the odd one out? (a) float for 1 minute (b) finish in 40 minutes (c) lift a cup of water (d) keep ice for 1 hour
- 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, always (c) yes, it works (d) only if it is red
- 14.📋 Your team’s budget is ₹120. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 15.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 16.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
- 17.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 18.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
- 19.🔍 Which is the odd one out? (a) use at most 20 straws (b) stand in a fan breeze (c) spend at most ₹100 (d) finish in 40 minutes
- 20.🔍 Which is the odd one out? (a) roll at least 2 metres (b) float for 1 minute (c) fit on a school desk (d) hold up 500 g
- 21.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 22.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
- 23.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
- 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
- 25.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
- 26.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
- 27.🔍 Which is the odd one out? (a) lift a cup of water (b) float for 1 minute (c) hold up 500 g (d) be under 30 cm tall
- 28.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
- 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) float for 1 minute (b) keep ice for 1 hour (c) hold up 500 g (d) use only paper and tape
- 31.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
- 32.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
- 33.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
- 34.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 35.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
- 36.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) use at most 20 straws (d) use only paper and tape
- 37.📋 Your team’s budget is ₹87. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 38.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
- 39.📋 Your team’s budget is ₹76. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 40.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
Answer key
- True
- False
- No
- False
- a criterion
- 10
- 22
- spend at most ₹100
- a constraint
- False
- No
- finish in 40 minutes
- no, it breaks a limit
- 27
- 14
- False
- 6
- Yes
- stand in a fan breeze
- fit on a school desk
- 26
- Yes
- Yes
- a constraint
- a constraint
- No
- be under 30 cm tall
- False
- goals a design must meet
- use only paper and tape
- False
- Yes
- True
- 23
- a criterion
- carry 10 coins
- 13
- False
- 20
- a limit you must keep to
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