Year 5 Addition Worksheet — Getting Started — Answers
Answer sheet with worked solutions for the Year 5 addition worksheet.
Year 5 Addition Worksheet — Getting Started — Answers
Set out each sum in columns. Show any regrouping.
1.
635
+223
Answer: 858
- 5 + 3 = 8
- 3 + 2 = 5
- 6 + 2 = 8
2.
207
+792
Answer: 999
- 7 + 2 = 9
- 0 + 9 = 9
- 2 + 7 = 9
3.
602
+286
Answer: 888
- 2 + 6 = 8
- 0 + 8 = 8
- 6 + 2 = 8
4.
633
+146
Answer: 779
- 3 + 6 = 9
- 3 + 4 = 7
- 6 + 1 = 7
5.
467
+242
Answer: 709
- 7 + 2 = 9
- 6 + 4 = 10 → write 0, carry 1
- 4 + 2 + 1 = 7
6.
110
+723
Answer: 833
- 0 + 3 = 3
- 1 + 2 = 3
- 1 + 7 = 8
7.
233
+664
Answer: 897
- 3 + 4 = 7
- 3 + 6 = 9
- 2 + 6 = 8
8.
382
+172
Answer: 554
- 2 + 2 = 4
- 8 + 7 = 15 → write 5, carry 1
- 3 + 1 + 1 = 5
9.
100
+454
Answer: 554
- 0 + 4 = 4
- 0 + 5 = 5
- 1 + 4 = 5
10.
170
+774
Answer: 944
- 0 + 4 = 4
- 7 + 7 = 14 → write 4, carry 1
- 1 + 7 + 1 = 9
11.
138
+861
Answer: 999
- 8 + 1 = 9
- 3 + 6 = 9
- 1 + 8 = 9
12.
832
+151
Answer: 983
- 2 + 1 = 3
- 3 + 5 = 8
- 8 + 1 = 9
13.
167
+832
Answer: 999
- 7 + 2 = 9
- 6 + 3 = 9
- 1 + 8 = 9
14.
887
+112
Answer: 999
- 7 + 2 = 9
- 8 + 1 = 9
- 8 + 1 = 9
15.
577
+422
Answer: 999
- 7 + 2 = 9
- 7 + 2 = 9
- 5 + 4 = 9
16.
112
+618
Answer: 730
- 2 + 8 = 10 → write 0, carry 1
- 1 + 1 + 1 = 3
- 1 + 6 = 7
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.