Free Grade 3 Introducing Volume of Prisms Flashcards
Free Grade 3 flashcards for Introducing 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
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing volume of prisms
Identify introducing volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing volume of prisms
Explain introducing volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing volume of prisms
Calculate introducing volume of prisms accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing volume of prisms
Compare introducing 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 Introducing 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 × 7 cm × 6 cm.[1]
- 2.Find the volume of a cuboid 2 cm × 8 cm × 7 cm.[1]
- 3.Find the volume of a cuboid 2 cm × 5 cm × 10 cm.[1]
- 4.Find the volume of a cuboid 8 cm × 7 cm × 5 cm.[1]
- 5.Find the volume of a cuboid 8 cm × 9 cm × 5 cm.[2]
- 6.Find the volume of a cuboid 8 cm × 9 cm × 3 cm.[2]
- 7.Find the volume of a cuboid 7 cm × 3 cm × 3 cm.[2]
- 8.Find the volume of a cuboid 4 cm × 4 cm × 10 cm.[2]
- 9.Find the surface area of a cuboid 8 cm × 8 cm × 8 cm.[3]
- 10.Find the surface area of a cuboid 6 cm × 6 cm × 7 cm.[3]
- 11.Find the surface area of a cuboid 3 cm × 9 cm × 5 cm.[3]
- 12.Find the surface area of a cuboid 5 cm × 5 cm × 6 cm.[3]
Show answers and working
1. 252 cm³
Volume = length × width × height. 6 × 7 × 6 = 252 cm³.
2. 112 cm³
Volume = length × width × height. 2 × 8 × 7 = 112 cm³.
3. 100 cm³
Volume = length × width × height. 2 × 5 × 10 = 100 cm³.
4. 280 cm³
Volume = length × width × height. 8 × 7 × 5 = 280 cm³.
5. 360 cm³
Volume = length × width × height. 8 × 9 × 5 = 360 cm³.
6. 216 cm³
Volume = length × width × height. 8 × 9 × 3 = 216 cm³.
7. 63 cm³
Volume = length × width × height. 7 × 3 × 3 = 63 cm³.
8. 160 cm³
Volume = length × width × height. 4 × 4 × 10 = 160 cm³.
9. 384 cm²
Three pairs of faces: 64, 64, 64. 2 × (64 + 64 + 64) = 384 cm².
10. 240 cm²
Three pairs of faces: 36, 42, 42. 2 × (36 + 42 + 42) = 240 cm².
11. 174 cm²
Three pairs of faces: 27, 45, 15. 2 × (27 + 45 + 15) = 174 cm².
12. 170 cm²
Three pairs of faces: 25, 30, 30. 2 × (25 + 30 + 30) = 170 cm².
Worked examples
Find the volume of a cuboid 3 cm × 3 cm × 7 cm.
- Volume = length × width × height.
- 3 × 3 × 7 = 63 cm³.
- Answer: 63 cm³
Find the volume of a cuboid 3 cm × 5 cm × 2 cm.
- Volume = length × width × height.
- 3 × 5 × 2 = 30 cm³.
- Answer: 30 cm³
Find the surface area of a cuboid 2 cm × 4 cm × 8 cm.
- Three pairs of faces: 8, 32, 16.
- 2 × (8 + 32 + 16) = 112 cm².
- Answer: 112 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 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 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 Introducing Volume of Prisms?
- Move on to Working with Volume of Prisms, Volume of Prisms in Context, Nets, Surface Area, which build directly on this idea.
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