Question

use the model to find 9 × 189. first, find the area of each rectangle. then, find the total area. 9 × 189 =

Explanation:

Step1: Find area of first rectangle

$9\times100 = 900$

Step2: Find area of second rectangle

$9\times80=720$

Step3: Consider the remaining part

$9\times9 = 81$

Step4: Calculate total area

$900 + 720+81=1701$

Answer:

1701