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1st Grade Addition Worksheet — Level 2 — Practice Set 3 — Answers

Answer sheet with worked solutions for the 1st Grade addition worksheet.

Success TutoringWorksheetsAnswer sheet1st Grade · Mathematics · Addition

1st Grade Addition Worksheet — Level 2 — Practice Set 3 — Answers

Set out each sum in columns. Show any regrouping.

1.
19
+18

Answer: 37

  1. 9 + 8 = 17 → write 7, carry 1
  2. 1 + 1 + 1 = 3
2.
89
+10

Answer: 99

  1. 9 + 0 = 9
  2. 8 + 1 = 9
3.
31
+26

Answer: 57

  1. 1 + 6 = 7
  2. 3 + 2 = 5
4.
21
+18

Answer: 39

  1. 1 + 8 = 9
  2. 2 + 1 = 3
5.
85
+14

Answer: 99

  1. 5 + 4 = 9
  2. 8 + 1 = 9
6.
54
+20

Answer: 74

  1. 4 + 0 = 4
  2. 5 + 2 = 7
7.
46
+32

Answer: 78

  1. 6 + 2 = 8
  2. 4 + 3 = 7
8.
42
+45

Answer: 87

  1. 2 + 5 = 7
  2. 4 + 4 = 8
9.
63
+36

Answer: 99

  1. 3 + 6 = 9
  2. 6 + 3 = 9
10.
62
+37

Answer: 99

  1. 2 + 7 = 9
  2. 6 + 3 = 9
11.
22
+73

Answer: 95

  1. 2 + 3 = 5
  2. 2 + 7 = 9
12.
58
+39

Answer: 97

  1. 8 + 9 = 17 → write 7, carry 1
  2. 5 + 3 + 1 = 9
13.
15
+28

Answer: 43

  1. 5 + 8 = 13 → write 3, carry 1
  2. 1 + 2 + 1 = 4
14.
52
+31

Answer: 83

  1. 2 + 1 = 3
  2. 5 + 3 = 8
15.
71
+28

Answer: 99

  1. 1 + 8 = 9
  2. 7 + 2 = 9
16.
26
+32

Answer: 58

  1. 6 + 2 = 8
  2. 2 + 3 = 5
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