Year 5 Addition Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 5 addition worksheet.
Year 5 Addition Worksheet — Level 1 — Answers
Set out each sum in columns. Show any regrouping.
1.
1449
+3074
Answer: 4523
- 9 + 4 = 13 → write 3, carry 1
- 4 + 7 + 1 = 12 → write 2, carry 1
- 4 + 0 + 1 = 5
- 1 + 3 = 4
2.
3558
+6441
Answer: 9999
- 8 + 1 = 9
- 5 + 4 = 9
- 5 + 4 = 9
- 3 + 6 = 9
3.
8641
+1127
Answer: 9768
- 1 + 7 = 8
- 4 + 2 = 6
- 6 + 1 = 7
- 8 + 1 = 9
4.
5474
+2788
Answer: 8262
- 4 + 8 = 12 → write 2, carry 1
- 7 + 8 + 1 = 16 → write 6, carry 1
- 4 + 7 + 1 = 12 → write 2, carry 1
- 5 + 2 + 1 = 8
5.
7384
+1219
Answer: 8603
- 4 + 9 = 13 → write 3, carry 1
- 8 + 1 + 1 = 10 → write 0, carry 1
- 3 + 2 + 1 = 6
- 7 + 1 = 8
6.
7231
+2016
Answer: 9247
- 1 + 6 = 7
- 3 + 1 = 4
- 2 + 0 = 2
- 7 + 2 = 9
7.
7321
+2678
Answer: 9999
- 1 + 8 = 9
- 2 + 7 = 9
- 3 + 6 = 9
- 7 + 2 = 9
8.
1454
+1536
Answer: 2990
- 4 + 6 = 10 → write 0, carry 1
- 5 + 3 + 1 = 9
- 4 + 5 = 9
- 1 + 1 = 2
9.
5789
+3805
Answer: 9594
- 9 + 5 = 14 → write 4, carry 1
- 8 + 0 + 1 = 9
- 7 + 8 = 15 → write 5, carry 1
- 5 + 3 + 1 = 9
10.
4129
+5577
Answer: 9706
- 9 + 7 = 16 → write 6, carry 1
- 2 + 7 + 1 = 10 → write 0, carry 1
- 1 + 5 + 1 = 7
- 4 + 5 = 9
11.
6194
+2260
Answer: 8454
- 4 + 0 = 4
- 9 + 6 = 15 → write 5, carry 1
- 1 + 2 + 1 = 4
- 6 + 2 = 8
12.
7853
+1397
Answer: 9250
- 3 + 7 = 10 → write 0, carry 1
- 5 + 9 + 1 = 15 → write 5, carry 1
- 8 + 3 + 1 = 12 → write 2, carry 1
- 7 + 1 + 1 = 9
13.
6915
+3084
Answer: 9999
- 5 + 4 = 9
- 1 + 8 = 9
- 9 + 0 = 9
- 6 + 3 = 9
14.
1309
+8690
Answer: 9999
- 9 + 0 = 9
- 0 + 9 = 9
- 3 + 6 = 9
- 1 + 8 = 9
15.
8203
+1577
Answer: 9780
- 3 + 7 = 10 → write 0, carry 1
- 0 + 7 + 1 = 8
- 2 + 5 = 7
- 8 + 1 = 9
16.
2085
+7914
Answer: 9999
- 5 + 4 = 9
- 8 + 1 = 9
- 0 + 9 = 9
- 2 + 7 = 9
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.