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A shop bill lists each thing, how many you bought and the price of one. Each line costs number × price. Add all the lines for the total. If one price is missing, take the known lines away from the total.
✓ You passed this lesson’s test.
Line by line — “work out each line of the bill, then add the lines”
Use it for: Checking a shop bill, school supply lists, and bill-making questions in Class 3–4 maths.
Check: 245 − 45 − 120 = 80 = 2 × 40 ✓
▶ Watch it animatedWork it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 sums. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the 🧾 Bill Builder badge when you pass — and a certificate when you finish all 10 lessons of Part 2 · Shopping maths. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
Sign in with Google to ask Free — 20 questions a day.
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