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

The video tutorial explains how to perform long multiplication using the example of 4781 multiplied by 23. The process is divided into two parts: first multiplying by 3 and then by 20 (two tens). The instructor emphasizes the importance of placing digits correctly and adding the results. The final answer is calculated, and the concept of method marks is discussed, highlighting that students can earn marks for correct methods even if the final answer is incorrect due to arithmetic errors.

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