Olibits / Math / Length, Mass & Volume
Primary 3 Math: Length, Mass & Volume Practice
Real Primary 3 Math questions on Length, Mass & Volume, pulled directly from the Olibits question bank — the same questions a child would actually see, not separately written for this page.
MOE strand: Measurement and Geometry
Curriculum alignment
Mathematics Syllabus, Primary One to Six (MOE, 2021 syllabus)
Taught across P1–P6.
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Real Length, Mass & Volume practice questions
If you stack 6 identical books that are each 7 cm tall, how tall is the stack?
7 cm
49 cm
6 cm
42 cm ✓
6 books × 7 cm each = 42 cm.
Which unit would you use to measure the mass of a school bag?
Kilograms (kg) ✓
Millilitres (ml)
Litres (l)
Centimetres (cm)
A school bag's mass is best measured in kilograms.
Which unit would you use to measure the length of a pencil?
Centimetres (cm) ✓
Kilograms (kg)
Kilometres (km)
Litres (l)
A pencil is short, so centimetres is the sensible unit.
Which is the longer distance: 1 km or 800 m?
Cannot tell
They are equal
1 km ✓
800 m
1 km = 1000 m, which is more than 800 m.