What you need to know
You need to:
compare and order lengths
use a ruler to measure length.
- Length is how long, high or tall an object is or how far something is.
- We measure length in centimetres (cm) and metres (m).
- 100 cm = 1 m
- We can use a scale on a ruler, metre stick, trundle wheel or tape measure to measure length.
- to measure small items (cm)
- to measure bigger items (cm)
- to measure bigger distances (m)
- to measure curved surfaces (cm or m)