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.🔍 Which is the odd one out? (a) carry 10 coins (b) use only paper and tape (c) hold up 500 g (d) float for 1 minute
- 2.📋 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
- 3.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
- 4.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
- 5.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 6.📋 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?
- 7.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) float for 1 minute (d) finish in 40 minutes
- 8.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
- 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
- 10.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
- 11.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
- 12.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
- 13.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
- 14.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
- 15.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
- 16.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 17.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
- 18.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
- 19.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
- 20.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 21.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
- 22.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 23.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 24.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) use at most 20 straws (d) spend at most ₹100
- 25.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
- 26.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 27.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
- 28.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
- 29.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
- 30.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
- 31.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the team names (d) the tools you use
- 32.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
- 33.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
- 34.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
- 35.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
- 36.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
- 37.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 38.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 39.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
- 40.🔍 Which is the odd one out? (a) float for 1 minute (b) stand in a fan breeze (c) lift a cup of water (d) spend at most ₹100
Answer key
- use only paper and tape
- no, it breaks a limit
- True
- Yes
- 12
- 14
- float for 1 minute
- False
- No
- a criterion
- No
- a constraint
- False
- True
- a constraint
- 12
- a limit you must keep to
- False
- False
- 22
- a criterion
- 15
- 20
- carry 10 coins
- a constraint
- 13
- No
- a criterion
- True
- True
- goals a design must meet
- a criterion
- Yes
- No
- No
- False
- 9
- 22
- False
- spend at most ₹100
Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids