‘Plasticine Models’
Learning intentions:
- Comparing objects using appropriate language by direct comparisons
- Understanding the language of comparatives
Experience and Outcomes:
I can estimate how long or heavy an object is, or what amount it holds, using everyday things as a guide, then measure or weigh it using appropriate instruments and units – MNU 1-11a
Resources: plasticine, pan balance
Ask the children to make two plasticine balls which weigh the same. Let the children decide how to check that both balls weigh the same. The idea that they should balance is often surprisingly difficult from them. Once it has been established that both balls really do weigh the same, ask them to make a pancake with one and a snake with another. Discuss what they have done:
- will they still balance?
- why or why not?
- how do you know?
- check to find out
Activity from Blinko and Slater (1996) Teaching Measures: Activities, organisation and management. London: Hodder & Stoughton.
