Question

use the model to find 6 × 521. first, find the area of each rectangle. 500 20 6 then, find the total area. 6 × 521 =

Explanation:

Step1: Find area of first rectangle

$6\times500 = 3000$

Step2: Find area of second rectangle

$6\times20=120$

Step3: Find area of third part (implicit 6×1)

$6\times1 = 6$

Step4: Calculate total area

$3000 + 120+6=3126$

Answer:

$3126$