Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 9
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-LFU6QG-1DIA
1.4 + 7 =
2.8 + 22 =
3.10 + 37 =
4.43 + 6 =
5.97 + 3 =
6.85 + 15 =
7.76 + 24 =
8.8 + 57 =
9.98 + 2 =
10.45 + 55 =
11.7 + 49 =
12.90 + 10 =
13.77 + 23 =
14.58 + 42 =
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 9
- 4 + 7 =11
- 8 + 22 =30
- 10 + 37 =47
- 43 + 6 =49
- 97 + 3 =100
- 85 + 15 =100
- 76 + 24 =100
- 8 + 57 =65
- 98 + 2 =100
- 45 + 55 =100
- 7 + 49 =56
- 90 + 10 =100
- 77 + 23 =100
- 58 + 42 =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.