Subtraction — Important Questions

1,978

Step 1: Total hens = 14,603. Hens that died = 12,625. We need to find hens left. Step 2: Subtract 12,625 from 14,603. Step 3: Ones: 3–5 borrow→13–5=8, Tens: 9–1(borrow)–2=6 borrow→9–3=6, Hundreds: 5–1(borrow)–6 borrow→15–1–6=8 wait: 6–6=0 borrow→16–6=10 carry, Thousands: 4–1–2=1 after adjustments, ten-thousands: 1–1=0. Step 4: Answer = 1,978. Final Answer: 1,978 hens are left. This is a direct word problem from the textbook.

9,99,998

Step 1: We subtract 1 from 9,99,999. Step 2: Look at the ones place: 9 – 1 = 8. Step 3: All other digits remain the same because we only subtracted from the ones place. Step 4: So the answer is 9,99,998. Final Answer: 9,99,998. A common mistake is to change more digits than needed.

₹11,365

Step 1: Cost of dress = ₹12,650. She was short by ₹1,285. We need to find how much she had. Step 2: Money she had = Cost of dress – Amount she was short. Step 3: ₹12,650 – ₹1,285. Step 4: Ones: 0–5 borrow→10–5=5, Tens: 4–1(borrow)–8 borrow→14–1–8=5 wait: 4–8 borrow→14–8=6 then –1=5, Hundreds: 5–1(borrow)–2=2, Thousands: 2–1=1, Ten-thousands: 1. Step 5: Answer = ₹11,365. Final Answer: She had ₹11,365. Adding ₹1,285 to ₹11,365 gives back ₹12,650 — verified!