Grade 2 · Math · Challenge
Free Addition Within 100 worksheet - version 19
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 · Stretch challenge · 14 questions · Version PG-1AZ3L6T-7SAY
1.91 + 9 =
2.59 + 10 =
3.52 + 48 =
4.32 + 59 =
5.11 + 86 =
6.68 + 32 =
7.30 + 20 =
8.31 + 69 =
9.68 + 31 =
10.79 + 21 =
11.92 + 8 =
12.83 + 6 =
13.1 + 63 =
14.82 + 18 =
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 19
- 91 + 9 =100
- 59 + 10 =69
- 52 + 48 =100
- 32 + 59 =91
- 11 + 86 =97
- 68 + 32 =100
- 30 + 20 =50
- 31 + 69 =100
- 68 + 31 =99
- 79 + 21 =100
- 92 + 8 =100
- 83 + 6 =89
- 1 + 63 =64
- 82 + 18 =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.