Grade 2 · Math · Challenge
Free Addition Within 100 worksheet - version 15
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-1C31ZYP-7SAY
1.11 + 50 =
2.49 + 13 =
3.74 + 26 =
4.53 + 42 =
5.0 + 27 =
6.32 + 52 =
7.2 + 85 =
8.18 + 49 =
9.12 + 49 =
10.16 + 64 =
11.92 + 6 =
12.66 + 3 =
13.78 + 22 =
14.95 + 5 =
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 15
- 11 + 50 =61
- 49 + 13 =62
- 74 + 26 =100
- 53 + 42 =95
- 0 + 27 =27
- 32 + 52 =84
- 2 + 85 =87
- 18 + 49 =67
- 12 + 49 =61
- 16 + 64 =80
- 92 + 6 =98
- 66 + 3 =69
- 78 + 22 =100
- 95 + 5 =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.