- 
                  
Math
 - 
                  
Geometry
 - 
                  
Age 9-12
 - 
                    
level: elementary
 - 
                  
English
 
Author's Instructions
Find the area of a rectangle
- 
                  
Math
 - 
                  
Geometry
 - 
                    
Age 9-12
 - 
                    
level: elementary
 - 
                  
English
 
Author's Instructions
Find the area of a rectangle