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3rd Grade Addition Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the 3rd Grade addition worksheet.

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Success TutoringWorksheetsAnswer sheet3rd Grade · Mathematics · Addition

3rd Grade Addition Worksheet — Level 3 — Answers

Set out each sum in columns. Show any regrouping.

1.
4653
+4119

Answer: 8772

  1. 3 + 9 = 12 → write 2, carry 1
  2. 5 + 1 + 1 = 7
  3. 6 + 1 = 7
  4. 4 + 4 = 8
2.
1021
+8978

Answer: 9999

  1. 1 + 8 = 9
  2. 2 + 7 = 9
  3. 0 + 9 = 9
  4. 1 + 8 = 9
3.
7801
+1372

Answer: 9173

  1. 1 + 2 = 3
  2. 0 + 7 = 7
  3. 8 + 3 = 11 → write 1, carry 1
  4. 7 + 1 + 1 = 9
4.
5302
+2414

Answer: 7716

  1. 2 + 4 = 6
  2. 0 + 1 = 1
  3. 3 + 4 = 7
  4. 5 + 2 = 7
5.
8702
+1297

Answer: 9999

  1. 2 + 7 = 9
  2. 0 + 9 = 9
  3. 7 + 2 = 9
  4. 8 + 1 = 9
6.
5781
+3009

Answer: 8790

  1. 1 + 9 = 10 → write 0, carry 1
  2. 8 + 0 + 1 = 9
  3. 7 + 0 = 7
  4. 5 + 3 = 8
7.
3417
+6582

Answer: 9999

  1. 7 + 2 = 9
  2. 1 + 8 = 9
  3. 4 + 5 = 9
  4. 3 + 6 = 9
8.
7999
+2000

Answer: 9999

  1. 9 + 0 = 9
  2. 9 + 0 = 9
  3. 9 + 0 = 9
  4. 7 + 2 = 9
9.
6076
+1530

Answer: 7606

  1. 6 + 0 = 6
  2. 7 + 3 = 10 → write 0, carry 1
  3. 0 + 5 + 1 = 6
  4. 6 + 1 = 7
10.
3372
+4056

Answer: 7428

  1. 2 + 6 = 8
  2. 7 + 5 = 12 → write 2, carry 1
  3. 3 + 0 + 1 = 4
  4. 3 + 4 = 7
11.
5853
+2714

Answer: 8567

  1. 3 + 4 = 7
  2. 5 + 1 = 6
  3. 8 + 7 = 15 → write 5, carry 1
  4. 5 + 2 + 1 = 8
12.
7595
+2404

Answer: 9999

  1. 5 + 4 = 9
  2. 9 + 0 = 9
  3. 5 + 4 = 9
  4. 7 + 2 = 9
13.
1860
+6026

Answer: 7886

  1. 0 + 6 = 6
  2. 6 + 2 = 8
  3. 8 + 0 = 8
  4. 1 + 6 = 7
14.
6405
+3186

Answer: 9591

  1. 5 + 6 = 11 → write 1, carry 1
  2. 0 + 8 + 1 = 9
  3. 4 + 1 = 5
  4. 6 + 3 = 9
15.
2987
+6807

Answer: 9794

  1. 7 + 7 = 14 → write 4, carry 1
  2. 8 + 0 + 1 = 9
  3. 9 + 8 = 17 → write 7, carry 1
  4. 2 + 6 + 1 = 9
16.
4017
+1031

Answer: 5048

  1. 7 + 1 = 8
  2. 1 + 3 = 4
  3. 0 + 0 = 0
  4. 4 + 1 = 5
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