KS2 Primary Maths Age 13-17 - Calculations: Word Problems - Explained

The video tutorial explains how to calculate the cost of posting a single letter when given the total cost for three letters and the change received from a £20 note. It involves subtracting the change from the note to find the total cost of the letters, then dividing by three to find the cost of one letter. The tutorial emphasizes the importance of aligning decimal points and units during subtraction and division. The final answer is £1.68, with marks awarded for both the correct answer and the method used.

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