1a. 
The area of a rectangle is 406 square units, and one of its sides is 29. Find its perimeter.



2a. 
Draw a twopart rectangle to match the given number sentence for its total area.
40 × (40 + 7) 
= 
_____ × _____  +  _____ × _____  = ________ 
area of the
whole rectangle 

area of the first part 

area of the second part 




3a. 
Write a number sentence for the total area, thinking of one rectangle or two. 

_____ × ( _____ + _____ ) 
= 
_____ × _____  +  _____ × _____  = ________ 
area of the
whole rectangle 

area of the first part 

area of the second part 




4a. 
Write a number sentence for the total area, thinking of one rectangle or two.


