10. Measurement

Lesson

Can you choose the appropriate unit to measure capacity?

What is the best capacity unit to measure a cup of coffee?

A

mL

B

L

Worked Solution

Idea summary

It is useful to know the capacity of some common objects so that we can estimate the capacity of new objects.

How can we measure capacity?

This vase was filled with water and then the water was poured into this measuring cup to find the vase’s capacity. What was the capacity of water in the vase?

Worked Solution

Idea summary

If we have a measuring jug, we can fill a container, then pour it into a measuring jug to find out how much liquid it holds, its capacity.

This video uses some everyday objects to estimate capacity.

Choose the best estimate for the capacity of a rainwater tank.

A

10 litres

B

100 litres

C

100 millilitres

Worked Solution

Idea summary

We often use millilitres (mL) and litres (L) to measure the capacity of liquids.