Problem:

 

Which mat plan does the isometric drawing represent?                                                                                                                

                                                                                             

A

3

4

 

B

4

3

 

1

3

 

 

1

5

 

 

 

 

 

 

 

C

1

3

 

D

3

3

 

4

1

 

 

1

4

 

 

 

 

 

 

 

 

 

 

                 

 

 

 

 

 

Answer:

 

A

 

 

Teacher Notes:

For lessons and more information on spatial reasoning using cubes and isometric drawings, go to the NCTM Web site, http://illuminations.nctm.org.