Success TutoringWorksheets

2nd Grade Addition Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the 2nd Grade addition worksheet.

Success TutoringWorksheetsAnswer sheet2nd Grade · Mathematics · Addition

2nd Grade Addition Worksheet — Level 3 — Answers

Set out each sum in columns. Show any regrouping.

1.
3498
+5126

Answer: 8624

  1. 8 + 6 = 14 → write 4, carry 1
  2. 9 + 2 + 1 = 12 → write 2, carry 1
  3. 4 + 1 + 1 = 6
  4. 3 + 5 = 8
2.
8190
+1809

Answer: 9999

  1. 0 + 9 = 9
  2. 9 + 0 = 9
  3. 1 + 8 = 9
  4. 8 + 1 = 9
3.
2500
+6400

Answer: 8900

  1. 0 + 0 = 0
  2. 0 + 0 = 0
  3. 5 + 4 = 9
  4. 2 + 6 = 8
4.
7597
+1201

Answer: 8798

  1. 7 + 1 = 8
  2. 9 + 0 = 9
  3. 5 + 2 = 7
  4. 7 + 1 = 8
5.
8129
+1870

Answer: 9999

  1. 9 + 0 = 9
  2. 2 + 7 = 9
  3. 1 + 8 = 9
  4. 8 + 1 = 9
6.
4329
+2273

Answer: 6602

  1. 9 + 3 = 12 → write 2, carry 1
  2. 2 + 7 + 1 = 10 → write 0, carry 1
  3. 3 + 2 + 1 = 6
  4. 4 + 2 = 6
7.
1415
+6140

Answer: 7555

  1. 5 + 0 = 5
  2. 1 + 4 = 5
  3. 4 + 1 = 5
  4. 1 + 6 = 7
8.
7676
+1294

Answer: 8970

  1. 6 + 4 = 10 → write 0, carry 1
  2. 7 + 9 + 1 = 17 → write 7, carry 1
  3. 6 + 2 + 1 = 9
  4. 7 + 1 = 8
9.
3734
+6043

Answer: 9777

  1. 4 + 3 = 7
  2. 3 + 4 = 7
  3. 7 + 0 = 7
  4. 3 + 6 = 9
10.
8543
+1456

Answer: 9999

  1. 3 + 6 = 9
  2. 4 + 5 = 9
  3. 5 + 4 = 9
  4. 8 + 1 = 9
11.
5772
+1012

Answer: 6784

  1. 2 + 2 = 4
  2. 7 + 1 = 8
  3. 7 + 0 = 7
  4. 5 + 1 = 6
12.
3356
+2560

Answer: 5916

  1. 6 + 0 = 6
  2. 5 + 6 = 11 → write 1, carry 1
  3. 3 + 5 + 1 = 9
  4. 3 + 2 = 5
13.
5054
+4625

Answer: 9679

  1. 4 + 5 = 9
  2. 5 + 2 = 7
  3. 0 + 6 = 6
  4. 5 + 4 = 9
14.
6315
+3684

Answer: 9999

  1. 5 + 4 = 9
  2. 1 + 8 = 9
  3. 3 + 6 = 9
  4. 6 + 3 = 9
15.
6854
+3051

Answer: 9905

  1. 4 + 1 = 5
  2. 5 + 5 = 10 → write 0, carry 1
  3. 8 + 0 + 1 = 9
  4. 6 + 3 = 9
16.
6404
+3595

Answer: 9999

  1. 4 + 5 = 9
  2. 0 + 9 = 9
  3. 4 + 5 = 9
  4. 6 + 3 = 9
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Marking tips

  • Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
  • For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
  • Celebrate what went well first, then pick one thing to work on next.