Free Grade 3 Introducing Nets Word Problems Flashcards
Free Grade 3 flashcards for Introducing Nets Word Problems: 12 real questions with a full answer key and worked solutions. Volume is how much space a 3D shape takes up. For a cuboid, multiply length × width × height. Surface area is the total area of all faces.
Free
Core
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing nets word problems
Identify introducing nets word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing nets word problems
Explain introducing nets word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing nets word problems
Calculate introducing nets word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing nets word problems
Compare introducing nets word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Introducing Nets Word Problems works
Volume is how much space a 3D shape takes up. For a cuboid, multiply length × width × height. Surface area is the total area of all faces.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Find the volume of a cuboid 10 cm × 9 cm × 10 cm.[1]
- 2.Find the volume of a cuboid 7 cm × 4 cm × 3 cm.[1]
- 3.Find the volume of a cuboid 6 cm × 4 cm × 7 cm.[1]
- 4.Find the volume of a cuboid 4 cm × 7 cm × 5 cm.[1]
- 5.Find the volume of a cuboid 10 cm × 5 cm × 9 cm.[2]
- 6.Find the volume of a cuboid 4 cm × 8 cm × 9 cm.[2]
- 7.Find the volume of a cuboid 4 cm × 8 cm × 4 cm.[2]
- 8.Find the volume of a cuboid 7 cm × 6 cm × 8 cm.[2]
- 9.Find the surface area of a cuboid 6 cm × 9 cm × 9 cm.[3]
- 10.Find the surface area of a cuboid 8 cm × 9 cm × 2 cm.[3]
- 11.Find the surface area of a cuboid 9 cm × 9 cm × 5 cm.[3]
- 12.Find the surface area of a cuboid 2 cm × 2 cm × 6 cm.[3]
Show answers and working
1. 900 cm³
Volume = length × width × height. 10 × 9 × 10 = 900 cm³.
2. 84 cm³
Volume = length × width × height. 7 × 4 × 3 = 84 cm³.
3. 168 cm³
Volume = length × width × height. 6 × 4 × 7 = 168 cm³.
4. 140 cm³
Volume = length × width × height. 4 × 7 × 5 = 140 cm³.
5. 450 cm³
Volume = length × width × height. 10 × 5 × 9 = 450 cm³.
6. 288 cm³
Volume = length × width × height. 4 × 8 × 9 = 288 cm³.
7. 128 cm³
Volume = length × width × height. 4 × 8 × 4 = 128 cm³.
8. 336 cm³
Volume = length × width × height. 7 × 6 × 8 = 336 cm³.
9. 378 cm²
Three pairs of faces: 54, 81, 54. 2 × (54 + 81 + 54) = 378 cm².
10. 212 cm²
Three pairs of faces: 72, 18, 16. 2 × (72 + 18 + 16) = 212 cm².
11. 342 cm²
Three pairs of faces: 81, 45, 45. 2 × (81 + 45 + 45) = 342 cm².
12. 56 cm²
Three pairs of faces: 4, 12, 12. 2 × (4 + 12 + 12) = 56 cm².
Worked examples
Find the volume of a cuboid 10 cm × 8 cm × 3 cm.
- Volume = length × width × height.
- 10 × 8 × 3 = 240 cm³.
- Answer: 240 cm³
Find the volume of a cuboid 6 cm × 6 cm × 7 cm.
- Volume = length × width × height.
- 6 × 6 × 7 = 252 cm³.
- Answer: 252 cm³
Find the surface area of a cuboid 3 cm × 3 cm × 7 cm.
- Three pairs of faces: 9, 21, 21.
- 2 × (9 + 21 + 21) = 102 cm².
- Answer: 102 cm²
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Adds the dimensions instead of multiplying.
Correction: Volume = l × w × h.
Counts only three faces for surface area.
Correction: A cuboid has six faces — three matching pairs.
Teacher tips
- · Build cuboids from cubes before using the formula.
Parent tips
- · Work out how many sugar cubes fit in a box.
Real-life applications
- · Filling a fish tank, wrapping a present.
Assessment objectives
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Frequently asked
- Is this Grade 3 Introducing Nets Word Problems flashcards really free?
- Yes. Every flashcards on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Introducing Nets Techniques, Introducing Nets Essentials, Perimeter and Area. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Introducing Nets Word Problems?
- Move on to Introducing Nets Common Errors, Working with Nets, Nets in Context, which build directly on this idea.
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