Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 1
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-J7XD6O-1DIA
1.47 + 53 =
2.54 + 46 =
3.15 + 68 =
4.67 + 26 =
5.52 + 9 =
6.39 + 54 =
7.87 + 13 =
8.45 + 55 =
9.44 + 37 =
10.46 + 54 =
11.40 + 43 =
12.51 + 29 =
13.29 + 71 =
14.49 + 39 =
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 1
- 47 + 53 =100
- 54 + 46 =100
- 15 + 68 =83
- 67 + 26 =93
- 52 + 9 =61
- 39 + 54 =93
- 87 + 13 =100
- 45 + 55 =100
- 44 + 37 =81
- 46 + 54 =100
- 40 + 43 =83
- 51 + 29 =80
- 29 + 71 =100
- 49 + 39 =88
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.