Year 3 Addition Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 3 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · AdditionYear 3 Addition Worksheet — Level 1 — Answers
Set out each sum in columns. Show any regrouping.
1.
122
+414
Answer: 536
- 2 + 4 = 6
- 2 + 1 = 3
- 1 + 4 = 5
2.
376
+205
Answer: 581
- 6 + 5 = 11 → write 1, carry 1
- 7 + 0 + 1 = 8
- 3 + 2 = 5
3.
580
+165
Answer: 745
- 0 + 5 = 5
- 8 + 6 = 14 → write 4, carry 1
- 5 + 1 + 1 = 7
4.
582
+377
Answer: 959
- 2 + 7 = 9
- 8 + 7 = 15 → write 5, carry 1
- 5 + 3 + 1 = 9
5.
683
+128
Answer: 811
- 3 + 8 = 11 → write 1, carry 1
- 8 + 2 + 1 = 11 → write 1, carry 1
- 6 + 1 + 1 = 8
6.
784
+215
Answer: 999
- 4 + 5 = 9
- 8 + 1 = 9
- 7 + 2 = 9
7.
495
+196
Answer: 691
- 5 + 6 = 11 → write 1, carry 1
- 9 + 9 + 1 = 19 → write 9, carry 1
- 4 + 1 + 1 = 6
8.
802
+146
Answer: 948
- 2 + 6 = 8
- 0 + 4 = 4
- 8 + 1 = 9
9.
273
+293
Answer: 566
- 3 + 3 = 6
- 7 + 9 = 16 → write 6, carry 1
- 2 + 2 + 1 = 5
10.
619
+142
Answer: 761
- 9 + 2 = 11 → write 1, carry 1
- 1 + 4 + 1 = 6
- 6 + 1 = 7
11.
829
+170
Answer: 999
- 9 + 0 = 9
- 2 + 7 = 9
- 8 + 1 = 9
12.
847
+144
Answer: 991
- 7 + 4 = 11 → write 1, carry 1
- 4 + 4 + 1 = 9
- 8 + 1 = 9
13.
680
+184
Answer: 864
- 0 + 4 = 4
- 8 + 8 = 16 → write 6, carry 1
- 6 + 1 + 1 = 8
14.
776
+209
Answer: 985
- 6 + 9 = 15 → write 5, carry 1
- 7 + 0 + 1 = 8
- 7 + 2 = 9
15.
512
+467
Answer: 979
- 2 + 7 = 9
- 1 + 6 = 7
- 5 + 4 = 9
16.
570
+264
Answer: 834
- 0 + 4 = 4
- 7 + 6 = 13 → write 3, carry 1
- 5 + 2 + 1 = 8
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