Year 8 - Volume - Free practice
Year 8 Volume Worksheets & Practice Tests
Right prisms, capacity, real-world volume problems.
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10 questions — 4 Foundation, 4 Standard, 2 Extension — with full worked solutions, calibrated to the Victorian Curriculum.
About this worksheet
Why we built it
Year 8 builds on the Year 7 volume formula and adds capacity (litres) and a wider range of prism cross-sections. These worksheets give your student practice in both directions - calculating volume from dimensions, and working back to find a missing dimension when the volume is known.
What's covered
Sub-skills your student will practise
- ✓Volume of rectangular and triangular prisms
- ✓Volume of trapezoidal and other right prisms
- ✓Capacity (mL, L, kL) conversions
- ✓Working back from volume to find a missing dimension
- ✓Composite-prism problems (steps, swimming pools)
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Frequently asked
Questions parents ask about volume
What's new about Year 8 volume compared to Year 7?
Year 8 adds capacity (mL, L, kL conversions), trapezoidal and other non-rectangular cross-sections, and working back from a known volume to find a missing dimension. Cylinders arrive in Year 9.
How do students convert between volume and capacity?
1 cm^3 = 1 mL exactly. So a 500 mL water bottle holds 500 cm^3 of water. The conversion is the same whether the container is rectangular, triangular, or any other prism shape.
How does capacity relate to litres?
1000 mL = 1 L, and 1 L = 1000 cm^3 (or 1000 cubic centimetres). So a fish tank with internal dimensions 50 cm x 30 cm x 40 cm has a volume of 60,000 cm^3 = 60 L.
Why does Year 8 work back from volume to find missing dimensions?
Real-world problems often state the volume needed (a 20 L planter box) and one or two dimensions, then ask for the third. The reverse calculation - divide volume by the other dimensions - is what shows up on tests.
Want a real plan for the term?
Worksheets are great for repetition. A Tuterly tutor can spot the specific moves your student keeps getting wrong and fix them in one or two sessions.
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Talk to us about Year 8 volume.
Call or message us with your student's year level and what's tripping them up - we'll point you to the right tutor.