Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 2
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-K1W69L-1DIA
1.78 + 22 =
2.71 + 12 =
3.25 + 13 =
4.52 + 48 =
5.8 + 29 =
6.7 + 18 =
7.8 + 67 =
8.48 + 22 =
9.14 + 0 =
10.23 + 5 =
11.96 + 4 =
12.85 + 15 =
13.26 + 41 =
14.65 + 35 =
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 2
- 78 + 22 =100
- 71 + 12 =83
- 25 + 13 =38
- 52 + 48 =100
- 8 + 29 =37
- 7 + 18 =25
- 8 + 67 =75
- 48 + 22 =70
- 14 + 0 =14
- 23 + 5 =28
- 96 + 4 =100
- 85 + 15 =100
- 26 + 41 =67
- 65 + 35 =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.