Answer:  8 passes.

 

NOTE:  There are a variety of ways of solving this problem including drawing a visual model. 

Text Box:       1

 

 


 

Text Box:   8

 

Text Box: 2

 

The ball passes to the following students:

 

 

1, 4, 7, 2, 5, 8, 3, 6, 1

 

 

Text Box: 3 Text Box: 6                                                        Text Box: 7

 

 

                                                                                                                                         Text Box: 2

 

 

 

 

 

DEFINITION:

 

visual models -- models such as networks that could be used in analyzing and solving real problems such as those connected with efficiency.  The models of 2 and 3 dimensional objects may also assist students reasoning about spatial relationships.4

 

 

 

 

 

 

 

4National Council of Teachers of Mathematics. (2000) Principals and Standards for School Mathematics (p. 237).

 


 

Text Box: 4    

 


 

                     

Text Box:   5