Area / Perimeter Worksheet
1 a. Draw a rectangle with an area of 40 square units.
 
          
          
          
          
          
          
          
          
          
          

 
1 b. Find the area of this rectangle.
 
  
  
  
  
  
  

 
2 a. Draw a rectangle with an area of 80 square units.
 
           
           
           
           
           
           
           
           
           
           
           

 
2 b. Find the area of this rectangle.
 
      
      
      

 
3 a. Find the area of this rectangle.
 
  
  
  
  
  
  

 
3 b. Find the area of this rectangle.
 
  
  
  
  
  
  
  

 
Page 2

Answer Key

1 a.  Answers vary. All the possibilities for the number of rows and columns are listed below. Some of them may not fit into the grid provided.

1 row, 40 columns OR
2 rows, 20 columns OR
4 rows, 10 columns OR
5 rows, 8 columns OR
8 rows, 5 columns OR
10 rows, 4 columns OR
20 rows, 2 columns OR
40 rows, 1 column

 
1 b.  The area is 12 square units.

 
2 a.  Answers vary. All the possibilities for the number of rows and columns are listed below. Some of them may not fit into the grid provided.

1 row, 80 columns OR
2 rows, 40 columns OR
4 rows, 20 columns OR
5 rows, 16 columns OR
8 rows, 10 columns OR
10 rows, 8 columns OR
16 rows, 5 columns OR
20 rows, 4 columns OR
40 rows, 2 columns OR
80 rows, 1 column

 
2 b.  The area is 18 square units.

 
3 a.  The area is 12 square units.

 
3 b.  The area is 14 square units.

 


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