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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.
8743
+1106

Answer: 9849

  1. 3 + 6 = 9
  2. 4 + 0 = 4
  3. 7 + 1 = 8
  4. 8 + 1 = 9
2.
8964
+1035

Answer: 9999

  1. 4 + 5 = 9
  2. 6 + 3 = 9
  3. 9 + 0 = 9
  4. 8 + 1 = 9
3.
7235
+2374

Answer: 9609

  1. 5 + 4 = 9
  2. 3 + 7 = 10 → write 0, carry 1
  3. 2 + 3 + 1 = 6
  4. 7 + 2 = 9
4.
4543
+3165

Answer: 7708

  1. 3 + 5 = 8
  2. 4 + 6 = 10 → write 0, carry 1
  3. 5 + 1 + 1 = 7
  4. 4 + 3 = 7
5.
8937
+1062

Answer: 9999

  1. 7 + 2 = 9
  2. 3 + 6 = 9
  3. 9 + 0 = 9
  4. 8 + 1 = 9
6.
3155
+5332

Answer: 8487

  1. 5 + 2 = 7
  2. 5 + 3 = 8
  3. 1 + 3 = 4
  4. 3 + 5 = 8
7.
7020
+2979

Answer: 9999

  1. 0 + 9 = 9
  2. 2 + 7 = 9
  3. 0 + 9 = 9
  4. 7 + 2 = 9
8.
4978
+2658

Answer: 7636

  1. 8 + 8 = 16 → write 6, carry 1
  2. 7 + 5 + 1 = 13 → write 3, carry 1
  3. 9 + 6 + 1 = 16 → write 6, carry 1
  4. 4 + 2 + 1 = 7
9.
8120
+1879

Answer: 9999

  1. 0 + 9 = 9
  2. 2 + 7 = 9
  3. 1 + 8 = 9
  4. 8 + 1 = 9
10.
3274
+5461

Answer: 8735

  1. 4 + 1 = 5
  2. 7 + 6 = 13 → write 3, carry 1
  3. 2 + 4 + 1 = 7
  4. 3 + 5 = 8
11.
5192
+4526

Answer: 9718

  1. 2 + 6 = 8
  2. 9 + 2 = 11 → write 1, carry 1
  3. 1 + 5 + 1 = 7
  4. 5 + 4 = 9
12.
8962
+1037

Answer: 9999

  1. 2 + 7 = 9
  2. 6 + 3 = 9
  3. 9 + 0 = 9
  4. 8 + 1 = 9
13.
2235
+3444

Answer: 5679

  1. 5 + 4 = 9
  2. 3 + 4 = 7
  3. 2 + 4 = 6
  4. 2 + 3 = 5
14.
7080
+1530

Answer: 8610

  1. 0 + 0 = 0
  2. 8 + 3 = 11 → write 1, carry 1
  3. 0 + 5 + 1 = 6
  4. 7 + 1 = 8
15.
4126
+2018

Answer: 6144

  1. 6 + 8 = 14 → write 4, carry 1
  2. 2 + 1 + 1 = 4
  3. 1 + 0 = 1
  4. 4 + 2 = 6
16.
2791
+4237

Answer: 7028

  1. 1 + 7 = 8
  2. 9 + 3 = 12 → write 2, carry 1
  3. 7 + 2 + 1 = 10 → write 0, carry 1
  4. 2 + 4 + 1 = 7
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