Practice metric measurement conversions with this worksheet covering millimetres (mm), centimetres (cm), and metres (m). The worksheet includes 20 multiple-choice questions across four conversion types: mm to cm, mm to m, m to mm, and cm to mm. Students can attempt each question and reveal the answer using the Show Answer button, making it ideal for self-practice, classroom exercises, homework, and revision. These questions help learners strengthen their understanding of the metric system and unit conversions in a simple step-by-step way. Perfect for upper primary and middle school math practice.