This Grade 3 worksheet trains Grade 3 students to choose the best solution from several brainstormed ideas. Using criteria such as strength, speed, cost, and waterproofing, Grade 3 learners compare designs and pick winners for different goals. Fill in the blank items teach evaluate, compare, criteria, and constraint, while matching pairs real Grade 3 design goals with the winning quality. Students practice turning opinions into scores so that the best Grade 3 engineering choice is clear and fair every time.
Style:
Engineering Design Process
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Grade 3 engineers use criteria like strength and cost to compare designs.
2. If a Grade 3 bridge must hold the most weight, the best design is the strongest.
3. When a Grade 3 car race has a time goal, the fastest car wins.
4. If a Grade 3 design has a small budget, the cheapest design is best.
5. A constraint is a limit, like only using 10 straws in a Grade 3 tower build.
6. Grade 3 engineers make a chart to compare each idea against the criteria.
7. The design that meets the most Grade 3 criteria is the best solution.
8. Grade 3 engineers evaluate each idea by giving it a score on every criterion.
9. Sometimes two Grade 3 designs tie, so engineers pick the one with fewer weaknesses.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Grade 3 bridge must hold 30 coins
→ Strongest design wins
Strongest design wins
Grade 3 paper airplane must fly farthest
→ Farthest-flying design wins
Farthest-flying design wins
Grade 3 boat must be built for under $2
→ Cheapest design wins
Cheapest design wins
Grade 3 umbrella must keep all water off
→ Most waterproof design wins
Most waterproof design wins
Engineering Design Process
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) Grade 3 engineers use criteria like strength and cost to compare designs.
2) If a Grade 3 bridge must hold the most weight, the best design is the strongest.
3) When a Grade 3 car race has a time goal, the fastest car wins.
4) If a Grade 3 design has a small budget, the cheapest design is best.
5) A constraint is a limit, like only using 10 straws in a Grade 3 tower build.
6) Grade 3 engineers make a chart to compare each idea against the criteria.
7) The design that meets the most Grade 3 criteria is the best solution.
8) Grade 3 engineers evaluate each idea by giving it a score on every criterion.
9) Sometimes two Grade 3 designs tie, so engineers pick the one with fewer weaknesses.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Grade 3 bridge must hold 30 coins
→ Strongest design wins
Strongest design wins
Grade 3 paper airplane must fly farthest
→ Farthest-flying design wins
Farthest-flying design wins
Grade 3 boat must be built for under $2
→ Cheapest design wins
Cheapest design wins
Grade 3 umbrella must keep all water off
→ Most waterproof design wins
Most waterproof design wins
Ready to Practice?
Complete each section carefully.
10 Questions
10-15 minutes
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