1. What is the correct mathematical expression for the total cost if 4 dosas cost ₹23 each and the tip is ₹5?

2. If the number of friends increases to 7 and the tip remains ₹5, what expression describes the total amount to pay for dosas costing ₹23 each?

3. Why did Ruby write the expression 6 × 5 + 3 after the teacher called out ‘5’ in the game?

4. What is the value of the expression 4 × 23 + 5?

5. How can the expression 6 × 5 + 3 be interpreted in the context of grouping students?

6. If the teacher had called out ‘4’, what expression would Ruby write according to the instructions?

7. Write the expression for the number of 2 kg packets Raghu has after buying 100 kg of rice and packing them into 2 kg packets, given he already had four 2 kg packets.

8. Identify the terms in the expression 4 + (100 ÷ 2).

9. Kannan has to pay ₹432 using coins and notes. Which of the following is a possible way to pay ₹432?

10. Which of the following best describes the meaning of the expression 432 = 4 × 100 + 1 × 20 + 1 × 10 + 2 × 1?