Question

use the model to find 5 × 579. first, find the area of each rectangle. then, find the total area. 5 × 579 =

Explanation:

Step1: Calculate area of first rectangle

$5\times500 = 2500$

Step2: Calculate area of second rectangle

$5\times70=350$

Step3: Calculate area of third part (implicit 5×9)

$5\times9 = 45$

Step4: Find total area

$2500+350 + 45=2895$

Answer:

$2895$