Children convert between different units of length and choose the appropriate unit for measurement. They recap converting between millimetres, metres and kilometre to now include centimetres (cm). Children see that they need to divide by different multiples of 10 to convert between the different measurements.
What is the same and what is different about these conversions?
• Converting from cm to m
• Converting from m to cm
What does ‘centi’ mean when used at the start of a word?
Which unit of measure would be best to measure: the height of a door frame, the length of a room, the width of a book?