Answer:

 

 

 

 

DEFINITIIONS:

isometric drawings -- drawings that provide a corner view of an object, thus showing three dimensions.  Isometric dot paper is used to make these drawings.[1]

mat plans - -drawings of the base of a cube, with numbers on the squares to show how high each stack of cubes is.[2]


 

[1] Geometry to go (p.459). (2001). Wilmington, MA:  Great Source Education Group, Inc.

[2] Lappan, G., Frey, J.T., Fitzgerald, W. M., Friel, S. N. & Phillips, E. D. (2002).  Ruins of Montarek spatial visualization.  Connected mathematics (p. 9).  Glenview, IL:  Prentice Hall.