KS2 Primary Maths Age 13-17 - Calculations: Written Multiplication - Explained

The video tutorial explains how to multiply 30 by 40. It starts by simplifying the problem to multiplying 3 by 4, which results in 12. The teacher then explains the importance of place value by adding two zeros to the product, resulting in the final answer of 1200. The tutorial concludes with a brief mention of the marks awarded for the correct answer.

Explain the process of multiplying 30 by 40 as described in the text.

What does the teacher mean by having 'the digits one and two' in the answer?