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

Set out each sum in columns. Show any regrouping.

1.
43
+10

Answer: 53

  1. 3 + 0 = 3
  2. 4 + 1 = 5
2.
46
+51

Answer: 97

  1. 6 + 1 = 7
  2. 4 + 5 = 9
3.
48
+30

Answer: 78

  1. 8 + 0 = 8
  2. 4 + 3 = 7
4.
26
+36

Answer: 62

  1. 6 + 6 = 12 → write 2, carry 1
  2. 2 + 3 + 1 = 6
5.
58
+15

Answer: 73

  1. 8 + 5 = 13 → write 3, carry 1
  2. 5 + 1 + 1 = 7
6.
15
+70

Answer: 85

  1. 5 + 0 = 5
  2. 1 + 7 = 8
7.
52
+39

Answer: 91

  1. 2 + 9 = 11 → write 1, carry 1
  2. 5 + 3 + 1 = 9
8.
50
+44

Answer: 94

  1. 0 + 4 = 4
  2. 5 + 4 = 9
9.
86
+13

Answer: 99

  1. 6 + 3 = 9
  2. 8 + 1 = 9
10.
66
+33

Answer: 99

  1. 6 + 3 = 9
  2. 6 + 3 = 9
11.
48
+51

Answer: 99

  1. 8 + 1 = 9
  2. 4 + 5 = 9
12.
38
+61

Answer: 99

  1. 8 + 1 = 9
  2. 3 + 6 = 9
13.
76
+22

Answer: 98

  1. 6 + 2 = 8
  2. 7 + 2 = 9
14.
16
+25

Answer: 41

  1. 6 + 5 = 11 → write 1, carry 1
  2. 1 + 2 + 1 = 4
15.
17
+21

Answer: 38

  1. 7 + 1 = 8
  2. 1 + 2 = 3
16.
75
+20

Answer: 95

  1. 5 + 0 = 5
  2. 7 + 2 = 9
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