Warm- up activity

Ø  Firstly, Ask each students to write a measure of liquid volume between 0-2 litres and pass it to a partner. Ask them all to stand.

Ø  Secondly,call out the following instructions one by one;

Ø  Then, ask them if the capacity on their card is:

·         Greater than 0.4 litre

·         Less than 1500 ml

·         Greater than ¾ litre

·         Less than 1.2 litres

·         Greater than 900 ml

·         Less than 0.95 litres

v  When only a few students are left,ask for their values band check with the group whether they should be standing. How can they justify that they are still standing?

v  The solution is, students standing will be between 900 ml and 950 ml

From the above session, we can know that there are several misconception among pupils occured.