Learning about weight

Exploring how 1kg of rice is made up of 1000gm. 

Finding 1kg of clay and then dividing the 1kg of clay into 2 x 500g blocks without weighing. After 3 attempts to find equal amounts explain what strategy was used.

The see-saw problem. Using a balancing scale created from a ruler and a block the children were required to use a bolt and balance the scales at the other end with a number of objects. Recording using diagrams and looking for a pattern the children wrote an explanation of what they noticed.