Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 17
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-IMMRH1-1DIA
1.98 + 2 =
2.91 + 9 =
3.96 + 4 =
4.89 + 11 =
5.66 + 26 =
6.57 + 4 =
7.44 + 54 =
8.71 + 29 =
9.65 + 35 =
10.62 + 30 =
11.97 + 3 =
12.25 + 47 =
13.67 + 31 =
14.16 + 33 =
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 17
- 98 + 2 =100
- 91 + 9 =100
- 96 + 4 =100
- 89 + 11 =100
- 66 + 26 =92
- 57 + 4 =61
- 44 + 54 =98
- 71 + 29 =100
- 65 + 35 =100
- 62 + 30 =92
- 97 + 3 =100
- 25 + 47 =72
- 67 + 31 =98
- 16 + 33 =49
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.