Used only the base dimension 25 cm and the height 18 cm, multiplying 25 × 18 without the other base dimension.
PRIMARY 5 · MATHEMATICS
Volume of Liquid
Top 5 mistakes
Ranked by how often they appear across 18 MOE-aligned practice questions in our archive.
Calculated volume correctly (18,000 cm³) but made an error in the conversion: 18,000 ÷ 800 instead of ÷ 1,000.
Computed the volume in cm³ (18,000) but forgot to divide by 1,000 to convert to litres.
Used 40% height not 60%.
Used full height incorrectly with 60% factor.
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