Free Grade 3 Introducing Nets Word Problems Lessons
Free Grade 3 lessons 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
Higher
30 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 9 cm × 8 cm × 9 cm.[1]
- 2.Find the volume of a cuboid 10 cm × 9 cm × 10 cm.[1]
- 3.Find the volume of a cuboid 3 cm × 2 cm × 9 cm.[1]
- 4.Find the volume of a cuboid 7 cm × 9 cm × 6 cm.[1]
- 5.Find the volume of a cuboid 9 cm × 3 cm × 3 cm.[2]
- 6.Find the volume of a cuboid 9 cm × 6 cm × 9 cm.[2]
- 7.Find the volume of a cuboid 4 cm × 4 cm × 10 cm.[2]
- 8.Find the volume of a cuboid 8 cm × 5 cm × 4 cm.[2]
- 9.Find the surface area of a cuboid 9 cm × 2 cm × 9 cm.[3]
- 10.Find the surface area of a cuboid 8 cm × 2 cm × 7 cm.[3]
- 11.Find the surface area of a cuboid 10 cm × 10 cm × 9 cm.[3]
- 12.Find the surface area of a cuboid 3 cm × 5 cm × 2 cm.[3]
Show answers and working
1. 648 cm³
Volume = length × width × height. 9 × 8 × 9 = 648 cm³.
2. 900 cm³
Volume = length × width × height. 10 × 9 × 10 = 900 cm³.
3. 54 cm³
Volume = length × width × height. 3 × 2 × 9 = 54 cm³.
4. 378 cm³
Volume = length × width × height. 7 × 9 × 6 = 378 cm³.
5. 81 cm³
Volume = length × width × height. 9 × 3 × 3 = 81 cm³.
6. 486 cm³
Volume = length × width × height. 9 × 6 × 9 = 486 cm³.
7. 160 cm³
Volume = length × width × height. 4 × 4 × 10 = 160 cm³.
8. 160 cm³
Volume = length × width × height. 8 × 5 × 4 = 160 cm³.
9. 234 cm²
Three pairs of faces: 18, 18, 81. 2 × (18 + 18 + 81) = 234 cm².
10. 172 cm²
Three pairs of faces: 16, 14, 56. 2 × (16 + 14 + 56) = 172 cm².
11. 560 cm²
Three pairs of faces: 100, 90, 90. 2 × (100 + 90 + 90) = 560 cm².
12. 62 cm²
Three pairs of faces: 15, 10, 6. 2 × (15 + 10 + 6) = 62 cm².
Worked examples
Find the volume of a cuboid 2 cm × 8 cm × 2 cm.
- Volume = length × width × height.
- 2 × 8 × 2 = 32 cm³.
- Answer: 32 cm³
Find the volume of a cuboid 5 cm × 6 cm × 8 cm.
- Volume = length × width × height.
- 5 × 6 × 8 = 240 cm³.
- Answer: 240 cm³
Find the surface area of a cuboid 6 cm × 4 cm × 7 cm.
- Three pairs of faces: 24, 28, 42.
- 2 × (24 + 28 + 42) = 188 cm².
- Answer: 188 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 lesson really free?
- Yes. Every lessons 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 lesson 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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