34. Capacity Talk About
When we talk about the capacity of a container, we are talking about the amount of liquid that the container can hold.
In this chapter we will be exploring capacity using litres (l) and millilitres (ml).
One millilitre is not a lot of liquid. A millilitre is about one small drop of liquid.
One litre is a lot more. A 1l milk carton holds one litre of liquid. There are 1000 millilitres in one litre.
That means that it would take 1000 drops of liquid (measuring 1ml each) to fill a 1l milk carton.
We can use measuring jugs or measuring containers to measure capacity. Here are some examples of measuring jugs and containers.
Discuss 1. How much water is in this measuring jug?
1000
500 0
ml
2. How could you work out how much liquid this mug can hold? (In other words, work out the capacity of this mug.)
Strand: Measures 208
Curriculum Objectives: Estimate, compare, measure and record the capacity of a wide variety of objects using appropriate metric units (l, ml);
solve and complete practical tasks and problems involving the addition and subtraction of units of capacity (l, ml).
30 ml 40 ml 50 ml 60 ml 70 ml 80 ml 90 ml 100 ml
10 ml 20 ml
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