Home Back to the Challenge Try These Think About This... Did You Know? Resources Try Another Challenge
Answer
Figure This!
 

Quick Answer:
There are 20 different ways to get from home to the store.

 

Complete Solution:

 

 

 

 

 

 

Look at a simpler case and count the number of ways to each corner. In the drawings to the right, the arrows have been added to show direction.

 

 

 

 

 

 

The numbers indicate how many ways there are to get to each corner.

 

 

 

 

 

 

To get to corner C, you must pass through either corner A or B. There are 6 ways to get to corner A, and 4 ways to get to corner B making a total of 10 ways to get to corner C. Thus, there are 20 ways to get from home to FilmRenters.

 
Home · Back to the Challenge · Try These · Think About This  ·  Did You Know? · Resources
Try Another Challenge · Challenge Index · Math Index · Printing the Challenges · En Español
Family Corner · Teacher Corner · About Figure This! · Purchase the CD
©2004 National Council of Teachers of Mathematics
Web site and CD-ROM design/production
© 1999-2004 KnowNet Construction, Inc.