Free Grade 3 Surface Area in Context Flashcards
Free Grade 3 flashcards for Surface Area in Context: 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
Foundation
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain surface area in context
Explain surface area in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate surface area in context
Calculate surface area in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare surface area in context
Compare surface area in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify surface area in context
Justify surface area in context 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 Surface Area in Context 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 4 cm × 3 cm × 4 cm.[1]
- 2.Find the volume of a cuboid 2 cm × 9 cm × 7 cm.[1]
- 3.Find the volume of a cuboid 9 cm × 6 cm × 7 cm.[1]
- 4.Find the volume of a cuboid 5 cm × 8 cm × 8 cm.[1]
- 5.Find the volume of a cuboid 6 cm × 3 cm × 2 cm.[2]
- 6.Find the volume of a cuboid 8 cm × 2 cm × 6 cm.[2]
- 7.Find the volume of a cuboid 6 cm × 5 cm × 3 cm.[2]
- 8.Find the volume of a cuboid 7 cm × 8 cm × 9 cm.[2]
- 9.Find the surface area of a cuboid 2 cm × 2 cm × 4 cm.[3]
- 10.Find the surface area of a cuboid 4 cm × 3 cm × 3 cm.[3]
- 11.Find the surface area of a cuboid 10 cm × 4 cm × 5 cm.[3]
- 12.Find the surface area of a cuboid 6 cm × 6 cm × 4 cm.[3]
Show answers and working
1. 48 cm³
Volume = length × width × height. 4 × 3 × 4 = 48 cm³.
2. 126 cm³
Volume = length × width × height. 2 × 9 × 7 = 126 cm³.
3. 378 cm³
Volume = length × width × height. 9 × 6 × 7 = 378 cm³.
4. 320 cm³
Volume = length × width × height. 5 × 8 × 8 = 320 cm³.
5. 36 cm³
Volume = length × width × height. 6 × 3 × 2 = 36 cm³.
6. 96 cm³
Volume = length × width × height. 8 × 2 × 6 = 96 cm³.
7. 90 cm³
Volume = length × width × height. 6 × 5 × 3 = 90 cm³.
8. 504 cm³
Volume = length × width × height. 7 × 8 × 9 = 504 cm³.
9. 40 cm²
Three pairs of faces: 4, 8, 8. 2 × (4 + 8 + 8) = 40 cm².
10. 66 cm²
Three pairs of faces: 12, 9, 12. 2 × (12 + 9 + 12) = 66 cm².
11. 220 cm²
Three pairs of faces: 40, 20, 50. 2 × (40 + 20 + 50) = 220 cm².
12. 168 cm²
Three pairs of faces: 36, 24, 24. 2 × (36 + 24 + 24) = 168 cm².
Worked examples
Find the volume of a cuboid 5 cm × 4 cm × 4 cm.
- Volume = length × width × height.
- 5 × 4 × 4 = 80 cm³.
- Answer: 80 cm³
Find the volume of a cuboid 7 cm × 8 cm × 2 cm.
- Volume = length × width × height.
- 7 × 8 × 2 = 112 cm³.
- Answer: 112 cm³
Find the surface area of a cuboid 7 cm × 6 cm × 10 cm.
- Three pairs of faces: 42, 60, 70.
- 2 × (42 + 60 + 70) = 344 cm².
- Answer: 344 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
How mastery is evidenced, and which standards it maps to.
Every free resource for Surface Area in Context
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Learn — Meet the idea.
Practice — Build fluency.
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Frequently asked
- Is this Grade 3 Surface Area in Context 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 Working with Surface Area, Introducing Surface Area, Nets. 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 Surface Area in Context?
- Move on to Nets, Volume of Prisms, Volume of Cylinders, Volume of Spheres, which build directly on this idea.
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