3-digit Subtraction with Regrouping Worksheets for 3rd Graders Online - Free Printable
Educational worksheet: 3-digit Subtraction with Regrouping Worksheets for 3rd Graders Online. Download and print for classroom or home learning activities.
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Step-by-step solution for: 3-digit Subtraction with Regrouping Worksheets for 3rd Graders Online
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Show Answer Key & Explanations
Step-by-step solution for: 3-digit Subtraction with Regrouping Worksheets for 3rd Graders Online
The task involves adding and subtracting 3-digit and 2-digit numbers with regrouping. Let's solve each problem step by step.
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Addition Problems:
1. 213 + 47 = ?
- Add the ones place: \(3 + 7 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(1 + 4 + 1\) (carry) \(= 6\).
- Add the hundreds place: \(2 + 0 = 2\).
- Result: 260
2. 509 + 61 = ?
- Add the ones place: \(9 + 1 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(0 + 6 + 1\) (carry) \(= 7\).
- Add the hundreds place: \(5 + 0 = 5\).
- Result: 570
3. 329 + 63 = ?
- Add the ones place: \(9 + 3 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(2 + 6 + 1\) (carry) \(= 9\).
- Add the hundreds place: \(3 + 0 = 3\).
- Result: 392
4. 817 + 26 = ?
- Add the ones place: \(7 + 6 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(1 + 2 + 1\) (carry) \(= 4\).
- Add the hundreds place: \(8 + 0 = 8\).
- Result: 843
5. 595 + 15 = ?
- Add the ones place: \(5 + 5 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(9 + 1 + 1\) (carry) \(= 11\). Write down 1 and carry over 1.
- Add the hundreds place: \(5 + 0 + 1\) (carry) \(= 6\).
- Result: 610
6. 169 + 73 = ?
- Add the ones place: \(9 + 3 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(6 + 7 + 1\) (carry) \(= 14\). Write down 4 and carry over 1.
- Add the hundreds place: \(1 + 0 + 1\) (carry) \(= 2\).
- Result: 242
7. 846 + 64 = ?
- Add the ones place: \(6 + 4 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(4 + 6 + 1\) (carry) \(= 11\). Write down 1 and carry over 1.
- Add the hundreds place: \(8 + 0 + 1\) (carry) \(= 9\).
- Result: 910
8. 469 + 99 = ?
- Add the ones place: \(9 + 9 = 18\). Write down 8 and carry over 1.
- Add the tens place: \(6 + 9 + 1\) (carry) \(= 16\). Write down 6 and carry over 1.
- Add the hundreds place: \(4 + 0 + 1\) (carry) \(= 5\).
- Result: 568
---
Subtraction Problems:
1. 772 - 43 = ?
- Subtract the ones place: \(2 - 3\). Borrow 1 from the tens place, making it \(12 - 3 = 9\).
- Subtract the tens place: \(6\) (after borrowing) \(- 4 = 2\).
- Subtract the hundreds place: \(7 - 0 = 7\).
- Result: 729
2. 291 - 93 = ?
- Subtract the ones place: \(1 - 3\). Borrow 1 from the tens place, making it \(11 - 3 = 8\).
- Subtract the tens place: \(8\) (after borrowing) \(- 9\). Borrow 1 from the hundreds place, making it \(18 - 9 = 9\).
- Subtract the hundreds place: \(1\) (after borrowing) \(- 0 = 1\).
- Result: 198
3. 580 - 71 = ?
- Subtract the ones place: \(0 - 1\). Borrow 1 from the tens place, making it \(10 - 1 = 9\).
- Subtract the tens place: \(7\) (after borrowing) \(- 7 = 0\).
- Subtract the hundreds place: \(5 - 0 = 5\).
- Result: 509
4. 835 - 27 = ?
- Subtract the ones place: \(5 - 7\). Borrow 1 from the tens place, making it \(15 - 7 = 8\).
- Subtract the tens place: \(2\) (after borrowing) \(- 2 = 0\).
- Subtract the hundreds place: \(8 - 0 = 8\).
- Result: 808
5. 721 - 26 = ?
- Subtract the ones place: \(1 - 6\). Borrow 1 from the tens place, making it \(11 - 6 = 5\).
- Subtract the tens place: \(1\) (after borrowing) \(- 2\). Borrow 1 from the hundreds place, making it \(11 - 2 = 9\).
- Subtract the hundreds place: \(6\) (after borrowing) \(- 0 = 6\).
- Result: 695
6. 431 - 62 = ?
- Subtract the ones place: \(1 - 2\). Borrow 1 from the tens place, making it \(11 - 2 = 9\).
- Subtract the tens place: \(2\) (after borrowing) \(- 6\). Borrow 1 from the hundreds place, making it \(12 - 6 = 6\).
- Subtract the hundreds place: \(3\) (after borrowing) \(- 0 = 3\).
- Result: 369
7. 823 - 54 = ?
- Subtract the ones place: \(3 - 4\). Borrow 1 from the tens place, making it \(13 - 4 = 9\).
- Subtract the tens place: \(1\) (after borrowing) \(- 5\). Borrow 1 from the hundreds place, making it \(11 - 5 = 6\).
- Subtract the hundreds place: \(7\) (after borrowing) \(- 0 = 7\).
- Result: 769
8. 244 - 66 = ?
- Subtract the ones place: \(4 - 6\). Borrow 1 from the tens place, making it \(14 - 6 = 8\).
- Subtract the tens place: \(3\) (after borrowing) \(- 6\). Borrow 1 from the hundreds place, making it \(13 - 6 = 7\).
- Subtract the hundreds place: \(1\) (after borrowing) \(- 0 = 1\).
- Result: 178
---
Final Answers:
- Addition:
- \(213 + 47 = 260\)
- \(509 + 61 = 570\)
- \(329 + 63 = 392\)
- \(817 + 26 = 843\)
- \(595 + 15 = 610\)
- \(169 + 73 = 242\)
- \(846 + 64 = 910\)
- \(469 + 99 = 568\)
- Subtraction:
- \(772 - 43 = 729\)
- \(291 - 93 = 198\)
- \(580 - 71 = 509\)
- \(835 - 27 = 808\)
- \(721 - 26 = 695\)
- \(431 - 62 = 369\)
- \(823 - 54 = 769\)
- \(244 - 66 = 178\)
---
Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
213 + 47 = 260 & 772 - 43 = 729 \\
509 + 61 = 570 & 291 - 93 = 198 \\
329 + 63 = 392 & 580 - 71 = 509 \\
817 + 26 = 843 & 835 - 27 = 808 \\
595 + 15 = 610 & 721 - 26 = 695 \\
169 + 73 = 242 & 431 - 62 = 369 \\
846 + 64 = 910 & 823 - 54 = 769 \\
469 + 99 = 568 & 244 - 66 = 178 \\
\end{array}
}
\]
---
Addition Problems:
1. 213 + 47 = ?
- Add the ones place: \(3 + 7 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(1 + 4 + 1\) (carry) \(= 6\).
- Add the hundreds place: \(2 + 0 = 2\).
- Result: 260
2. 509 + 61 = ?
- Add the ones place: \(9 + 1 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(0 + 6 + 1\) (carry) \(= 7\).
- Add the hundreds place: \(5 + 0 = 5\).
- Result: 570
3. 329 + 63 = ?
- Add the ones place: \(9 + 3 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(2 + 6 + 1\) (carry) \(= 9\).
- Add the hundreds place: \(3 + 0 = 3\).
- Result: 392
4. 817 + 26 = ?
- Add the ones place: \(7 + 6 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(1 + 2 + 1\) (carry) \(= 4\).
- Add the hundreds place: \(8 + 0 = 8\).
- Result: 843
5. 595 + 15 = ?
- Add the ones place: \(5 + 5 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(9 + 1 + 1\) (carry) \(= 11\). Write down 1 and carry over 1.
- Add the hundreds place: \(5 + 0 + 1\) (carry) \(= 6\).
- Result: 610
6. 169 + 73 = ?
- Add the ones place: \(9 + 3 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(6 + 7 + 1\) (carry) \(= 14\). Write down 4 and carry over 1.
- Add the hundreds place: \(1 + 0 + 1\) (carry) \(= 2\).
- Result: 242
7. 846 + 64 = ?
- Add the ones place: \(6 + 4 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(4 + 6 + 1\) (carry) \(= 11\). Write down 1 and carry over 1.
- Add the hundreds place: \(8 + 0 + 1\) (carry) \(= 9\).
- Result: 910
8. 469 + 99 = ?
- Add the ones place: \(9 + 9 = 18\). Write down 8 and carry over 1.
- Add the tens place: \(6 + 9 + 1\) (carry) \(= 16\). Write down 6 and carry over 1.
- Add the hundreds place: \(4 + 0 + 1\) (carry) \(= 5\).
- Result: 568
---
Subtraction Problems:
1. 772 - 43 = ?
- Subtract the ones place: \(2 - 3\). Borrow 1 from the tens place, making it \(12 - 3 = 9\).
- Subtract the tens place: \(6\) (after borrowing) \(- 4 = 2\).
- Subtract the hundreds place: \(7 - 0 = 7\).
- Result: 729
2. 291 - 93 = ?
- Subtract the ones place: \(1 - 3\). Borrow 1 from the tens place, making it \(11 - 3 = 8\).
- Subtract the tens place: \(8\) (after borrowing) \(- 9\). Borrow 1 from the hundreds place, making it \(18 - 9 = 9\).
- Subtract the hundreds place: \(1\) (after borrowing) \(- 0 = 1\).
- Result: 198
3. 580 - 71 = ?
- Subtract the ones place: \(0 - 1\). Borrow 1 from the tens place, making it \(10 - 1 = 9\).
- Subtract the tens place: \(7\) (after borrowing) \(- 7 = 0\).
- Subtract the hundreds place: \(5 - 0 = 5\).
- Result: 509
4. 835 - 27 = ?
- Subtract the ones place: \(5 - 7\). Borrow 1 from the tens place, making it \(15 - 7 = 8\).
- Subtract the tens place: \(2\) (after borrowing) \(- 2 = 0\).
- Subtract the hundreds place: \(8 - 0 = 8\).
- Result: 808
5. 721 - 26 = ?
- Subtract the ones place: \(1 - 6\). Borrow 1 from the tens place, making it \(11 - 6 = 5\).
- Subtract the tens place: \(1\) (after borrowing) \(- 2\). Borrow 1 from the hundreds place, making it \(11 - 2 = 9\).
- Subtract the hundreds place: \(6\) (after borrowing) \(- 0 = 6\).
- Result: 695
6. 431 - 62 = ?
- Subtract the ones place: \(1 - 2\). Borrow 1 from the tens place, making it \(11 - 2 = 9\).
- Subtract the tens place: \(2\) (after borrowing) \(- 6\). Borrow 1 from the hundreds place, making it \(12 - 6 = 6\).
- Subtract the hundreds place: \(3\) (after borrowing) \(- 0 = 3\).
- Result: 369
7. 823 - 54 = ?
- Subtract the ones place: \(3 - 4\). Borrow 1 from the tens place, making it \(13 - 4 = 9\).
- Subtract the tens place: \(1\) (after borrowing) \(- 5\). Borrow 1 from the hundreds place, making it \(11 - 5 = 6\).
- Subtract the hundreds place: \(7\) (after borrowing) \(- 0 = 7\).
- Result: 769
8. 244 - 66 = ?
- Subtract the ones place: \(4 - 6\). Borrow 1 from the tens place, making it \(14 - 6 = 8\).
- Subtract the tens place: \(3\) (after borrowing) \(- 6\). Borrow 1 from the hundreds place, making it \(13 - 6 = 7\).
- Subtract the hundreds place: \(1\) (after borrowing) \(- 0 = 1\).
- Result: 178
---
Final Answers:
- Addition:
- \(213 + 47 = 260\)
- \(509 + 61 = 570\)
- \(329 + 63 = 392\)
- \(817 + 26 = 843\)
- \(595 + 15 = 610\)
- \(169 + 73 = 242\)
- \(846 + 64 = 910\)
- \(469 + 99 = 568\)
- Subtraction:
- \(772 - 43 = 729\)
- \(291 - 93 = 198\)
- \(580 - 71 = 509\)
- \(835 - 27 = 808\)
- \(721 - 26 = 695\)
- \(431 - 62 = 369\)
- \(823 - 54 = 769\)
- \(244 - 66 = 178\)
---
Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
213 + 47 = 260 & 772 - 43 = 729 \\
509 + 61 = 570 & 291 - 93 = 198 \\
329 + 63 = 392 & 580 - 71 = 509 \\
817 + 26 = 843 & 835 - 27 = 808 \\
595 + 15 = 610 & 721 - 26 = 695 \\
169 + 73 = 242 & 431 - 62 = 369 \\
846 + 64 = 910 & 823 - 54 = 769 \\
469 + 99 = 568 & 244 - 66 = 178 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of interactive 3 digit subtraction.
