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

The video tutorial explains how to solve a 2-mark long multiplication question, detailing the steps for calculating 836 multiplied by 27. It emphasizes the importance of showing the correct method and obtaining the final answer to secure both marks. The tutorial also highlights common mistakes, such as forgetting to add a zero when multiplying by tens, which can result in losing marks.

What are the two components that make up the marks for a 2-mark question?

• Final answer and correct method

• Correct method and neatness

• Speed and accuracy

• Final answer and creativity

When multiplying 836 by 27, what is the first step?

• Multiply 836 by 7

• Multiply 836 by 2

• Add 836 to 27

• Subtract 27 from 836

Why is it important to place a zero when multiplying by a tens digit?

• To make the calculation easier

• To simplify the addition process

• To ensure the correct placement of digits

• To avoid carrying over numbers

What is the final answer when multiplying 836 by 27?

• 21,572

• 24,572

• 23,572

• 22,572

What happens if you forget to place the zero in the multiplication process?

• You receive no marks

• You gain extra marks

• You get partial credit

• You lose one mark