Learning Outcomes :
· To measure volumes of liquid using non-standard units.
Materials:
· 3 types of container which consists of 3 different shapes.
· A bottle of water
· Various type of container which consist of different shapes and sizes
Procedures：
1. Divide the class into groups of four students and have them work in their cooperative groups.
2. Appoint one student in the group to be the recorder.
3. Give each group a set of flower container of different shapes and a bottle of water.
4. Student are ask to find out the which flower container can holds more water and which holds the least water.
5. Student are given various containers that consist of different sizes and shapes to choose, they must only choose 3 containers (glass / plastic) to measure the water in the flower container correctly. These containers (glass / plastic) act as a non-standard aids to find out the capacity of the flower container correctly. (Correct answer are as below)
6. After 3 container（glass / plastic）had been choosen, student will have to fill up each flower container with the bottle of water given.
7. Then student will empty each flower container’s water into respective container (glass / plastic) that they had choosen.
8. Observe and compare the water in the container (glass / plastic).
9. Student will make conclusion on the capacity of each flower container as below:
Flower container _______ had the biggest capacity.
Flower container _______ had the least capacity.
10. Measure the volumes of liquid in flower container A, B and C in millilitres and litres.
Watering Can A has _________ millilitres of waters.
Watering Can B has _________ millilitres of waters.
Watering Can C has _________ millilitres of waters.
11. Instruct the students to arrange the three containers in descending order of their capacities.
12. Ascending order （As picture below ）
