Free Grade 3 Working with Volume of Prisms Flashcards
Free Grade 3 flashcards for Working with Volume of Prisms: 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 working with volume of prisms
Identify working with volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with volume of prisms
Explain working with volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with volume of prisms
Calculate working with volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with volume of prisms
Compare working with volume of prisms 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 Working with Volume of Prisms 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 6 cm × 5 cm × 7 cm.[1]
- 2.Find the volume of a cuboid 10 cm × 10 cm × 7 cm.[1]
- 3.Find the volume of a cuboid 8 cm × 2 cm × 2 cm.[1]
- 4.Find the volume of a cuboid 2 cm × 4 cm × 8 cm.[1]
- 5.Find the volume of a cuboid 4 cm × 3 cm × 8 cm.[2]
- 6.Find the volume of a cuboid 10 cm × 6 cm × 7 cm.[2]
- 7.Find the volume of a cuboid 3 cm × 2 cm × 7 cm.[2]
- 8.Find the volume of a cuboid 8 cm × 10 cm × 3 cm.[2]
- 9.Find the surface area of a cuboid 7 cm × 10 cm × 9 cm.[3]
- 10.Find the surface area of a cuboid 3 cm × 8 cm × 7 cm.[3]
- 11.Find the surface area of a cuboid 9 cm × 5 cm × 8 cm.[3]
- 12.Find the surface area of a cuboid 6 cm × 5 cm × 10 cm.[3]
Show answers and working
1. 210 cm³
Volume = length × width × height. 6 × 5 × 7 = 210 cm³.
2. 700 cm³
Volume = length × width × height. 10 × 10 × 7 = 700 cm³.
3. 32 cm³
Volume = length × width × height. 8 × 2 × 2 = 32 cm³.
4. 64 cm³
Volume = length × width × height. 2 × 4 × 8 = 64 cm³.
5. 96 cm³
Volume = length × width × height. 4 × 3 × 8 = 96 cm³.
6. 420 cm³
Volume = length × width × height. 10 × 6 × 7 = 420 cm³.
7. 42 cm³
Volume = length × width × height. 3 × 2 × 7 = 42 cm³.
8. 240 cm³
Volume = length × width × height. 8 × 10 × 3 = 240 cm³.
9. 446 cm²
Three pairs of faces: 70, 90, 63. 2 × (70 + 90 + 63) = 446 cm².
10. 202 cm²
Three pairs of faces: 24, 56, 21. 2 × (24 + 56 + 21) = 202 cm².
11. 314 cm²
Three pairs of faces: 45, 40, 72. 2 × (45 + 40 + 72) = 314 cm².
12. 280 cm²
Three pairs of faces: 30, 50, 60. 2 × (30 + 50 + 60) = 280 cm².
Worked examples
Find the volume of a cuboid 5 cm × 8 cm × 4 cm.
- Volume = length × width × height.
- 5 × 8 × 4 = 160 cm³.
- Answer: 160 cm³
Find the volume of a cuboid 7 cm × 5 cm × 10 cm.
- Volume = length × width × height.
- 7 × 5 × 10 = 350 cm³.
- Answer: 350 cm³
Find the surface area of a cuboid 8 cm × 8 cm × 4 cm.
- Three pairs of faces: 64, 32, 32.
- 2 × (64 + 32 + 32) = 256 cm².
- Answer: 256 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.
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Frequently asked
- Is this Grade 3 Working with Volume of Prisms 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 Volume of Prisms, Surface 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 Working with Volume of Prisms?
- Move on to Volume of Prisms in Context, Nets, Surface Area, Volume of Cylinders, which build directly on this idea.
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