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Year 3 Addition Worksheet — Level 3 — Answers

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Year 3 · Mathematics · Addition

Year 3 Addition Worksheet — Level 3 — Answers

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Set out each sum in columns. Show any regrouping.

1.
6475
+1539

Answer: 8014

  1. 5 + 9 = 14 → write 4, carry 1
  2. 7 + 3 + 1 = 11 → write 1, carry 1
  3. 4 + 5 + 1 = 10 → write 0, carry 1
  4. 6 + 1 + 1 = 8
2.
3840
+2360

Answer: 6200

  1. 0 + 0 = 0
  2. 4 + 6 = 10 → write 0, carry 1
  3. 8 + 3 + 1 = 12 → write 2, carry 1
  4. 3 + 2 + 1 = 6
3.
2786
+5160

Answer: 7946

  1. 6 + 0 = 6
  2. 8 + 6 = 14 → write 4, carry 1
  3. 7 + 1 + 1 = 9
  4. 2 + 5 = 7
4.
3299
+4190

Answer: 7489

  1. 9 + 0 = 9
  2. 9 + 9 = 18 → write 8, carry 1
  3. 2 + 1 + 1 = 4
  4. 3 + 4 = 7
5.
7521
+1322

Answer: 8843

  1. 1 + 2 = 3
  2. 2 + 2 = 4
  3. 5 + 3 = 8
  4. 7 + 1 = 8
6.
7499
+1383

Answer: 8882

  1. 9 + 3 = 12 → write 2, carry 1
  2. 9 + 8 + 1 = 18 → write 8, carry 1
  3. 4 + 3 + 1 = 8
  4. 7 + 1 = 8
7.
5731
+4101

Answer: 9832

  1. 1 + 1 = 2
  2. 3 + 0 = 3
  3. 7 + 1 = 8
  4. 5 + 4 = 9
8.
5393
+1216

Answer: 6609

  1. 3 + 6 = 9
  2. 9 + 1 = 10 → write 0, carry 1
  3. 3 + 2 + 1 = 6
  4. 5 + 1 = 6
9.
6892
+2190

Answer: 9082

  1. 2 + 0 = 2
  2. 9 + 9 = 18 → write 8, carry 1
  3. 8 + 1 + 1 = 10 → write 0, carry 1
  4. 6 + 2 + 1 = 9
10.
1934
+2828

Answer: 4762

  1. 4 + 8 = 12 → write 2, carry 1
  2. 3 + 2 + 1 = 6
  3. 9 + 8 = 17 → write 7, carry 1
  4. 1 + 2 + 1 = 4
11.
6068
+2320

Answer: 8388

  1. 8 + 0 = 8
  2. 6 + 2 = 8
  3. 0 + 3 = 3
  4. 6 + 2 = 8
12.
4793
+3813

Answer: 8606

  1. 3 + 3 = 6
  2. 9 + 1 = 10 → write 0, carry 1
  3. 7 + 8 + 1 = 16 → write 6, carry 1
  4. 4 + 3 + 1 = 8
13.
7763
+1524

Answer: 9287

  1. 3 + 4 = 7
  2. 6 + 2 = 8
  3. 7 + 5 = 12 → write 2, carry 1
  4. 7 + 1 + 1 = 9
14.
3058
+6941

Answer: 9999

  1. 8 + 1 = 9
  2. 5 + 4 = 9
  3. 0 + 9 = 9
  4. 3 + 6 = 9
15.
2582
+5197

Answer: 7779

  1. 2 + 7 = 9
  2. 8 + 9 = 17 → write 7, carry 1
  3. 5 + 1 + 1 = 7
  4. 2 + 5 = 7
16.
4513
+3002

Answer: 7515

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