GCSE Secondary Maths Age 13-17 - Number: Decimal Multiplication - Explained

The video tutorial explains the traditional method of long multiplication using the example of 546 multiplied by 43. It details the step-by-step process of multiplying by individual digits, adding the results, and determining the correct placement of the decimal point. The tutorial also discusses the allocation of marks for the question, emphasizing the importance of obtaining the correct digits and using a valid method.

Explain the process of long multiplication as described in the text.

What approximation method is mentioned for checking the final answer?