Money • Topic 4 of 7

Making Bills

A bill is simply an organised list of what was bought, how much of each item, the rate (price of one), the amount for each line, and the grand total at the bottom. To make a bill you first work out each line by multiplying the rate by the quantity, then add all the line amounts to get the total. Suppose a child buys 3 pencils at Rs 5 each, 2 erasers at Rs 3 each, and 1 sharpener at Rs 8. The pencils come to 3 x 5 = Rs 15, the erasers to 2 x 3 = Rs 6, and the sharpener to Rs 8, so the bill total is 15 + 6 + 8 = Rs 29. The skill being tested is twofold: multiplying the rate by the quantity for each item, and then adding those products carefully, keeping any paise aligned. Teachers like bill-making because it pulls together multiplication, addition and real-life context in one task, and because checking the total back against the individual amounts naturally teaches verification. When prices include paise, the same rule about lining up the decimal point applies to every line and to the final total.

✅ Solved examples

1. A child buys 3 pencils at Rs 5 each and 2 erasers at Rs 3 each. What is the bill total?
Pencils: 3 x 5 = Rs 15. Erasers: 2 x 3 = Rs 6. Total = 15 + 6 = Rs 21.
2. Find the bill: 4 notebooks at Rs 25 each and 1 pen at Rs 12.
Notebooks: 4 x 25 = Rs 100. Pen: Rs 12. Total = 100 + 12 = Rs 112.
3. Rate of one toffee is Rs 2.50. Find the amount for 6 toffees.
6 x 2.50 = Rs 15.00. Six toffees cost fifteen rupees.
4. A bill has rice Rs 48.50, dal Rs 36.50 and oil Rs 95.00. Find the total.
48.50 + 36.50 = Rs 85.00; 85.00 + 95.00 = Rs 180.00. Bill total = Rs 180.00.

✏️ Practice — try these, take hints as needed

1. Find the bill: 5 chocolates at Rs 10 each and 3 biscuit packs at Rs 20 each.
Do each line: rate x quantity.
5x10 then 3x20, then add.
Rs 110
2. A shop bill shows 2 kg apples at Rs 80 per kg and 1 kg grapes at Rs 60. What is the total?
Apples: 2 x 80.
Then add the grapes.
Rs 220
3. The rate of one pen is Rs 7.50. Find the cost of 4 pens.
Multiply 4 x 7.50.
Keep the decimal aligned.
Rs 30.00
4. A bill lists milk Rs 27.50, bread Rs 22.50 and butter Rs 50.00. Find the bill total.
Add two at a time.
27.50 + 22.50 first.
Rs 100.00

📝 Topic test — 8 questions

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