Mathematics Ratio & Proportion Procedural 11–12 yrs

Unit Conversions

单位换算

Description

Convert freely between related standard units of measurement (time, length, area, volume/capacity, mass) using decimal notation to up to three decimal places where appropriate

Mastery Evidence

✓ Convert between area units such as cm² and m² using the square of the linear scale factor
✓ Perform multi-step conversions (e.g. convert 2.5 hours to seconds via minutes)
✓ Convert volume units such as cm³ to litres and explain the relationship

Assessment Prompt

Can your child convert between units confidently — for example, changing kilometres to metres, kilograms to grams, or hours and minutes to just minutes — including multi-step problems?