Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 13
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 · Building confidence · 14 questions · Version PG-HIOCP5-1DIA
1.64 + 2 =
2.17 + 52 =
3.12 + 80 =
4.86 + 9 =
5.93 + 7 =
6.89 + 11 =
7.16 + 55 =
8.13 + 22 =
9.30 + 6 =
10.62 + 38 =
11.21 + 45 =
12.86 + 14 =
13.32 + 68 =
14.81 + 19 =
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 13
- 64 + 2 =66
- 17 + 52 =69
- 12 + 80 =92
- 86 + 9 =95
- 93 + 7 =100
- 89 + 11 =100
- 16 + 55 =71
- 13 + 22 =35
- 30 + 6 =36
- 62 + 38 =100
- 21 + 45 =66
- 86 + 14 =100
- 32 + 68 =100
- 81 + 19 =100
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.