1a. 
Draw a twopart rectangle to match the given number sentence for its total area.
3 × (5 + 8) 
= 
_____ × _____  +  _____ × _____  = ________ 
area of the
whole rectangle 

area of the first part 

area of the second part 




2a. 
Draw a twopart rectangle to match the given number sentence for its total area.
8 × (4 + 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.


