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.

What is the initial amount paid for the postage?

• £10

• £20

• £15

• £25

How much change did the person receive after paying for the letters?

• £5.04

• £10.00

• £4.96

• £14.96

What is the first step in calculating the total cost of the three letters?

• Adding the change to the payment

• Subtracting the change from the payment

• Dividing the payment by three

• Multiplying the change by three

What is the total cost of the three letters?

• £6.00

• £5.04

• £5.40

• £4.96

How much does it cost to post one letter?

• £1.50

• £1.68

• £1.60

• £1.80