Practice making trains of the same length. Add train cars or take train cars away to make a train the same length as a given train
A. Determine which of two objects is taller
B. Determine which of two objects is longer or shorter
C. Identify two objects that are about the same height
D. Identify two objects that are about the same length
E. Identify an object that is about the same length or height as a given object
G. Add cubes or take them away to make a tower the same height as a given tower