This affords a vehicle for teachers to use for developing 3D spatial skills.
This appears difficult and in the latter cases of the problems, it is a mental puzzle. However, I used to MODEL and work these with my self-contained 5th grade class, and they can do it.
There are recommendations. The teacher must practice until they are extremely adept at the process. I strongly recommend using interlocking cube blocks to build these isometric three (3) Dimensional figures PRIOR to working them ment