Metric Unit Conversion Exercises for 11+ Maths
19 October 2026
Why metric unit conversions matter
Metric unit conversions are a key part of 11+ Maths. Children need to move confidently between millimetres, centimetres, metres, kilometres, milligrams, grams, kilograms, millilitres, and litres. Regular practice helps build this confidence.
Start with clear, simple steps
Begin with straightforward questions, such as converting 1200 millilitres to litres or 3.2 kilograms to grams. Encourage your child to write each step, making the method visible and repeatable.
Key insight: Writing out the calculation process helps children avoid common mistakes and understand each conversion.
Mix up the units
Include exercises that require switching between different metric units, such as centimetres to metres and grams to kilograms. Use real-life examples. Measuring water, food, or distances, to make the practice more engaging.
Key insight: Practising with a range of units prepares your child for the variety of problems in the 11+ exam.
Use visual tools and check understanding
Support learning with conversion charts or diagrams. These visual aids help children see the relationships between units and remember key facts, like 1000 grams in a kilogram.
Key insight: Visual tools and calm, step-by-step practice make metric unit conversions less daunting and more memorable.
