Student Instructions
                    Click the 
 button.
Listen to the directions for the first problem.  Then tap 
Use the 
 tool to solve the problem.
Listen to the directions for the next problem.  Tap 
 again and solve using the 
 tool.
Repeat for the other problems.  
When you have solved all of the problems, tap 
 and use the 
 to point to each problem and tell how you knew it was addition or subtraction.  
When done, click the 
 to submit.