

Grade 2 · Math · On Level
Free Addition Within 100 worksheet - version 8
Add one- and two-digit numbers with sums up to 100. This printable version includes 14 grade-appropriate questions and a separate answer sheet.
Addition Within 100
Grade 2 · On-level practice · 14 questions · Version PG-1MTZMWP-WZ9S
1.
1 + 50 =
2.
52 + 48 =
3.
40 + 43 =
4.
21 + 17 =
5.
25 + 75 =
6.
19 + 34 =
7.
21 + 75 =
8.
62 + 34 =
9.
2 + 26 =
10.
73 + 27 =
11.
63 + 28 =
12.
77 + 23 =
13.
47 + 53 =
14.
72 + 14 =
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 8
- 1 + 50 =51
- 52 + 48 =100
- 40 + 43 =83
- 21 + 17 =38
- 25 + 75 =100
- 19 + 34 =53
- 21 + 75 =96
- 62 + 34 =96
- 2 + 26 =28
- 73 + 27 =100
- 63 + 28 =91
- 77 + 23 =100
- 47 + 53 =100
- 72 + 14 =86
Worked example
38 + 24 = 62. Add ones: 8 + 4 = 12, regroup 1 ten, then add tens.
Common mistake
Forgetting to add the regrouped ten.
Helpful hint
Line up ones with ones and tens with tens.