The video tutorial explains how to solve a math problem involving calculating change after purchasing items. It emphasizes the importance of showing calculation methods to earn partial credit. The instructor uses a backward approach to determine the total amount spent and the change from the initial amount. The tutorial reinforces the steps taken and highlights the significance of demonstrating the method used.

What is the price of a banana as mentioned in the problem?

• 20 P

• 40 P

• 30 P

• 50 P

Why is it important to show your calculation method in this problem?

• To save time

• To make the problem more complex

• To potentially earn a mark even if the final answer is incorrect

• To confuse the examiner

What is the total cost of the nuts and banana combined?

• 60 P

• 90 P

• 120 P

• 150 P

How much does the apple cost?

• 75 P

• 60 P

• 45 P

• 30 P

What is the total cost of all three items?

• £1.50

• £1.35

• £1.25

• £1.00

What is the final change received after the purchase?

• 10 P

• 25 P

• 15 P

• 20 P

What is the key takeaway from the method used in this problem?

• Show calculations to potentially earn partial credit

• Use a calculator for all problems

• Always guess the answer

• Ignore the method and focus on the answer