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

The video tutorial explains the process of performing long multiplication using the example of 5413 multiplied by 86. It breaks down the multiplication into two parts: first multiplying by 6 and then by 80, emphasizing the importance of carrying over numbers and placing zeros correctly. The tutorial also discusses the marking scheme, highlighting the importance of showing correct working to earn method marks, even if the final answer is incorrect. Tips on managing carry-over numbers are provided to ensure clarity and accuracy.

What is the first step in multiplying 5413 by 86?

How do you handle carries when multiplying 5413 by 6?

What is the significance of placing a zero in the units column when multiplying by 80?

Explain the process of adding the results of multiplying 5413 by 6 and 80.

What should you do if you forget to carry a number during multiplication?