The Math Meridian
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Subtract numbers up to 10,000

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Learn it Subtract from the ones up. When the top digit is too small, regroup 1 from the next place. Across zeros, regroup one place at a time.

Example: $6{,}003 - 2{,}457$

  1. You need to regroup from the thousands: 6,003 = 5 thousands, 9 hundreds, 9 tens, 13 ones.
  2. Ones: 13 − 7 = 6. Tens: 9 − 5 = 4. Hundreds: 9 − 4 = 5. Thousands: 5 − 2 = 3.
  3. Answer: 3,546. Check: $3{,}546 + 2{,}457 = 6{,}003$.

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