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Year 3 Addition Worksheet — Level 3 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 3 addition worksheet.

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Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · Addition

Year 3 Addition Worksheet — Level 3 — Practice Set 3 — Answers

Set out each sum in columns. Show any regrouping.

1.
7023
+2976

Answer: 9999

  1. 3 + 6 = 9
  2. 2 + 7 = 9
  3. 0 + 9 = 9
  4. 7 + 2 = 9
2.
7696
+1285

Answer: 8981

  1. 6 + 5 = 11 → write 1, carry 1
  2. 9 + 8 + 1 = 18 → write 8, carry 1
  3. 6 + 2 + 1 = 9
  4. 7 + 1 = 8
3.
4432
+1239

Answer: 5671

  1. 2 + 9 = 11 → write 1, carry 1
  2. 3 + 3 + 1 = 7
  3. 4 + 2 = 6
  4. 4 + 1 = 5
4.
5635
+1459

Answer: 7094

  1. 5 + 9 = 14 → write 4, carry 1
  2. 3 + 5 + 1 = 9
  3. 6 + 4 = 10 → write 0, carry 1
  4. 5 + 1 + 1 = 7
5.
2884
+7115

Answer: 9999

  1. 4 + 5 = 9
  2. 8 + 1 = 9
  3. 8 + 1 = 9
  4. 2 + 7 = 9
6.
4889
+5110

Answer: 9999

  1. 9 + 0 = 9
  2. 8 + 1 = 9
  3. 8 + 1 = 9
  4. 4 + 5 = 9
7.
1814
+5686

Answer: 7500

  1. 4 + 6 = 10 → write 0, carry 1
  2. 1 + 8 + 1 = 10 → write 0, carry 1
  3. 8 + 6 + 1 = 15 → write 5, carry 1
  4. 1 + 5 + 1 = 7
8.
7446
+1233

Answer: 8679

  1. 6 + 3 = 9
  2. 4 + 3 = 7
  3. 4 + 2 = 6
  4. 7 + 1 = 8
9.
2011
+7988

Answer: 9999

  1. 1 + 8 = 9
  2. 1 + 8 = 9
  3. 0 + 9 = 9
  4. 2 + 7 = 9
10.
8094
+1561

Answer: 9655

  1. 4 + 1 = 5
  2. 9 + 6 = 15 → write 5, carry 1
  3. 0 + 5 + 1 = 6
  4. 8 + 1 = 9
11.
2010
+7800

Answer: 9810

  1. 0 + 0 = 0
  2. 1 + 0 = 1
  3. 0 + 8 = 8
  4. 2 + 7 = 9
12.
8135
+1078

Answer: 9213

  1. 5 + 8 = 13 → write 3, carry 1
  2. 3 + 7 + 1 = 11 → write 1, carry 1
  3. 1 + 0 + 1 = 2
  4. 8 + 1 = 9
13.
6832
+1464

Answer: 8296

  1. 2 + 4 = 6
  2. 3 + 6 = 9
  3. 8 + 4 = 12 → write 2, carry 1
  4. 6 + 1 + 1 = 8
14.
6752
+1291

Answer: 8043

  1. 2 + 1 = 3
  2. 5 + 9 = 14 → write 4, carry 1
  3. 7 + 2 + 1 = 10 → write 0, carry 1
  4. 6 + 1 + 1 = 8
15.
3479
+6520

Answer: 9999

  1. 9 + 0 = 9
  2. 7 + 2 = 9
  3. 4 + 5 = 9
  4. 3 + 6 = 9
16.
6085
+3914

Answer: 9999

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