Year 5 Addition Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 5 addition worksheet.
Year 5 Addition Worksheet — Level 3 — Practice Set 3 — Answers
Set out each sum in columns. Show any regrouping.
1.
5999
+4000
Answer: 9999
- 9 + 0 = 9
- 9 + 0 = 9
- 9 + 0 = 9
- 5 + 4 = 9
2.
4043
+1014
Answer: 5057
- 3 + 4 = 7
- 4 + 1 = 5
- 0 + 0 = 0
- 4 + 1 = 5
3.
2883
+2325
Answer: 5208
- 3 + 5 = 8
- 8 + 2 = 10 → write 0, carry 1
- 8 + 3 + 1 = 12 → write 2, carry 1
- 2 + 2 + 1 = 5
4.
4982
+2844
Answer: 7826
- 2 + 4 = 6
- 8 + 4 = 12 → write 2, carry 1
- 9 + 8 + 1 = 18 → write 8, carry 1
- 4 + 2 + 1 = 7
5.
7630
+2369
Answer: 9999
- 0 + 9 = 9
- 3 + 6 = 9
- 6 + 3 = 9
- 7 + 2 = 9
6.
8674
+1325
Answer: 9999
- 4 + 5 = 9
- 7 + 2 = 9
- 6 + 3 = 9
- 8 + 1 = 9
7.
2966
+1756
Answer: 4722
- 6 + 6 = 12 → write 2, carry 1
- 6 + 5 + 1 = 12 → write 2, carry 1
- 9 + 7 + 1 = 17 → write 7, carry 1
- 2 + 1 + 1 = 4
8.
8388
+1504
Answer: 9892
- 8 + 4 = 12 → write 2, carry 1
- 8 + 0 + 1 = 9
- 3 + 5 = 8
- 8 + 1 = 9
9.
7948
+2051
Answer: 9999
- 8 + 1 = 9
- 4 + 5 = 9
- 9 + 0 = 9
- 7 + 2 = 9
10.
6277
+3427
Answer: 9704
- 7 + 7 = 14 → write 4, carry 1
- 7 + 2 + 1 = 10 → write 0, carry 1
- 2 + 4 + 1 = 7
- 6 + 3 = 9
11.
8728
+1271
Answer: 9999
- 8 + 1 = 9
- 2 + 7 = 9
- 7 + 2 = 9
- 8 + 1 = 9
12.
5072
+4927
Answer: 9999
- 2 + 7 = 9
- 7 + 2 = 9
- 0 + 9 = 9
- 5 + 4 = 9
13.
8009
+1130
Answer: 9139
- 9 + 0 = 9
- 0 + 3 = 3
- 0 + 1 = 1
- 8 + 1 = 9
14.
3895
+6104
Answer: 9999
- 5 + 4 = 9
- 9 + 0 = 9
- 8 + 1 = 9
- 3 + 6 = 9
15.
2766
+5994
Answer: 8760
- 6 + 4 = 10 → write 0, carry 1
- 6 + 9 + 1 = 16 → write 6, carry 1
- 7 + 9 + 1 = 17 → write 7, carry 1
- 2 + 5 + 1 = 8
16.
4608
+2048
Answer: 6656
- 8 + 8 = 16 → write 6, carry 1
- 0 + 4 + 1 = 5
- 6 + 0 = 6
- 4 + 2 = 6
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.