Two-Digit Addition
Grade 1 Math Worksheet - Challenge Me

NameDate
Write the sum on the line.
64 + 3 =
24 + 20 =
52 + 5 =
72 + 20 =
43 + 2 =
56 + 40 =
72 + 6 =
78 + 20 =
12 + 60 =
23 + 60 =
39 + 40 =
35 + 10 =
71 + 4 =
42 + 30 =
69 + 30 =
23 + 10 =
Grade 1 Math Worksheet - Challenge Me

Write the sum on the line.
64 + 3 =
24 + 20 =
52 + 5 =
72 + 20 =
43 + 2 =
56 + 40 =
72 + 6 =
78 + 20 =
12 + 60 =
23 + 60 =
39 + 40 =
35 + 10 =
71 + 4 =
42 + 30 =
69 + 30 =
23 + 10 =
Answer Key - Grade 1 Math Worksheet - Challenge Me

Write the sum on the line.
64 + 3 = 67
24 + 20 = 44
52 + 5 = 57
72 + 20 = 92
43 + 2 = 45
56 + 40 = 96
72 + 6 = 78
78 + 20 = 98
12 + 60 = 72
23 + 60 = 83
39 + 40 = 79
35 + 10 = 45
71 + 4 = 75
42 + 30 = 72
69 + 30 = 99
23 + 10 = 33