## measurement

*We are learning to measure length.*

We know that short lengths are measured in centimetres (cm), long lengths are measured in metres (m) and very long lengths are measured in kilometres (km).

We know that short lengths are measured in centimetres (cm), long lengths are measured in metres (m) and very long lengths are measured in kilometres (km).

**Centimetres (cm)**

- the width of your finger is about 1cm.

**Metres (m)**

- a baseball bat is about 1m long.

- 100cm=1m

**Kilometres (km)**

- it takes about 15 minutes to walk 1 km.

- 1000m=1km

*We are learning about perimeter.*

We know that perimeter is the distance around something.

We know that perimeter is the distance around something.

*We are learning about area.*

We know that area is the number of units needed to cover a figure.

We know that area is the number of units needed to cover a figure.