Lesson Steps:

18*30=540 if it will be 8*3 it will be easy to do I show 18*30 first 8*0=0 8*3=21 means 210. And then 1*0=0 1*3=3. Means 03 and also add a extra zero = 030 and then add them =540 ans.

Answer:

540

Grade: 4
Level: Primary
Subject: Math
Topic: Multiply 2 digit numbers