Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 5
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-KBVRYK-1DIA
1.7 + 30 =
2.85 + 15 =
3.5 + 58 =
4.38 + 54 =
5.28 + 72 =
6.30 + 70 =
7.58 + 28 =
8.45 + 55 =
9.42 + 58 =
10.66 + 11 =
11.63 + 37 =
12.84 + 16 =
13.73 + 1 =
14.92 + 8 =
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 5
- 7 + 30 =37
- 85 + 15 =100
- 5 + 58 =63
- 38 + 54 =92
- 28 + 72 =100
- 30 + 70 =100
- 58 + 28 =86
- 45 + 55 =100
- 42 + 58 =100
- 66 + 11 =77
- 63 + 37 =100
- 84 + 16 =100
- 73 + 1 =74
- 92 + 8 =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.