Area / Perimeter Worksheet
1 a. Find the missing side length,
when the area is 49 square units.

?
A = 49 square units
1 b. Find the area and perimeter of the shape.
 
  2 
    8
3   
 10 
2 a. Write a number sentence for the total area, thinking of one rectangle or two.
 
99
   
2 b. Draw a rectangle with an area of 56 square units and perimeter of 30 units.
 
          
          
          
          
          
          
          
          
          
          
3 a.
The perimeter of a rectangle is 16, and one of its sides is 3. Find its area.
3 b. Draw a rectangle with an area of 42 square units and perimeter of 26 units.
 
          
          
          
          
          
          
          
          
          
          
4 a. Find the area and perimeter of this rectangle.
 
         
         
         
         
4 b. Find the area and perimeter of the shape.
 
8
    8
5  
6
5 a. Find the missing side length,
when the area is 18 square units.

2
A = 18 square units
5 b. Draw a rectangle with an area of 10 square units and perimeter of 14 units.
 
          
          
          
          
          
          
          
          
          
          
6 a. Find the area and perimeter of this rectangle.
 
          
          
          
6 b. Draw a two-part rectangle whose area matches the number sentence.
 

 


____ × ( ____ + ____ )  =  6 × 4  +  6 × 2   =  ________
area of the
whole rectangle
area of the
first part
area of the
second part
7 a. Find the area and perimeter of this rectangle.
 
          
          
          
          
          
          
          
7 b. Find the area and perimeter of the shape.
 
  6 
    7
4   
 9 
8 a. Draw a rectangle with an area of 63 square units and perimeter of 32 units.
 
          
          
          
          
          
          
          
          
          
          
8 b. Find the area and perimeter of this rectangle.
 
        
        
        
        
        
        
        
        
        
        
9 a. Draw a rectangle with an area of 32 square units and perimeter of 24 units.
 
          
          
          
          
          
          
          
          
          
          
9 b. Draw a rectangle with an area of 4 square units and perimeter of 8 units.
 
          
          
          
          
          
          
          
          
          
          
10 a. Draw a two-part rectangle whose area matches the number sentence.
 

 


2 × (2 + 5)  =  _____ × _____  +  _____ × _____   =  ________
area of the
whole rectangle
area of the
first part
area of the
second part
10 b. Find the area of the rectangle.

9
 
Page 2

Answer Key

1 a.  7

 
1 b.  The area is 40 and the perimeter is 36.

 
2 a.  9 × (9 + 9) = 9 × 9 + 9 × 9 = 162

 
2 b.  The rectangle has 8 rows and 7 columns or vice versa.

 
3 a.  15 square units

 
3 b.  The rectangle has 7 rows and 6 columns or vice versa.

 
4 a.  The area is 36 square units and the perimeter is 26 units.

 
4 b.  The area is 54 and the perimeter is 32.

 
5 a.  9

 
5 b.  The rectangle has 5 rows and 2 columns or vice versa.

 
6 a.  The area is 30 square units and the perimeter is 26 units.

 
6 b. 
42
   


6 × (4 + 2) = 6 × 4 + 6 × 2 = 36

 
7 a.  The area is 70 square units and the perimeter is 34 units.

 
7 b.  The area is 54 and the perimeter is 32.

 
8 a.  The rectangle has 9 rows and 7 columns or vice versa.

 
8 b.  The area is 80 square units and the perimeter is 36 units.

 
9 a.  The rectangle has 8 rows and 4 columns or vice versa.

 
9 b.  The rectangle has 2 rows and 2 columns (it is a square).

 
10 a. 
25
   


2 × (2 + 5) = 2 × 2 + 2 × 5 = 14

 
10 b.  63 square units

 


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