Olibits / Math / Length, Mass & Volume
Primary 2 Math: Length, Mass & Volume Practice
Real Primary 2 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.
Olibits is an independent learning platform and is not affiliated with or endorsed by the Ministry of Education. See our FAQ for the full breakdown.
Real Length, Mass & Volume practice questions
Which unit would you use to measure the mass of an apple?
Grams (g) ✓
Kilograms (kg)
Metres (m)
Litres (l)
An apple is light, so grams (g) is the sensible unit.
Which unit would you use to measure the mass of a bag of rice?
Grams (g)
Kilograms (kg) ✓
Centimetres (cm)
Millilitres (ml)
A bag of rice is heavy, so kilograms (kg) is the sensible unit.
Which unit would you use to measure water in a bottle?
Millilitres (ml) ✓
Kilograms (kg)
Metres (m)
Grams (g)
Water is a liquid, measured in millilitres (ml) or litres.
A jug can hold 1 litre. How many millilitres is that?
1000 ml ✓
100 ml
10 ml
10000 ml
1 litre = 1000 millilitres.