Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 10
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-GOPJM8-1DIA
1.39 + 41 =
2.38 + 5 =
3.81 + 19 =
4.60 + 23 =
5.21 + 45 =
6.97 + 3 =
7.21 + 2 =
8.0 + 60 =
9.75 + 25 =
10.42 + 28 =
11.4 + 50 =
12.58 + 42 =
13.15 + 14 =
14.33 + 43 =
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 10
- 39 + 41 =80
- 38 + 5 =43
- 81 + 19 =100
- 60 + 23 =83
- 21 + 45 =66
- 97 + 3 =100
- 21 + 2 =23
- 0 + 60 =60
- 75 + 25 =100
- 42 + 28 =70
- 4 + 50 =54
- 58 + 42 =100
- 15 + 14 =29
- 33 + 43 =76
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.