Objective:  Solve problems involving mass (weight), using g and kg.  
Materials:  Metric cubes, pattern blocks, simple balance.  

Objective:  Construct objects of a specific volume, expressed in cm3.  
Materials:  Metric cubes, three 6sided dice, simple balance.  

Objective:  Represent visually, a pattern to clarify relationships and to verify predictions.  
Materials:  Hexalink cubes, isometric dot paper.  
