Grade 2 · Math · Challenge
Free Addition Within 100 worksheet - version 12
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-1CD1LNO-7SAY
1.34 + 66 =
2.9 + 49 =
3.90 + 10 =
4.65 + 35 =
5.51 + 49 =
6.67 + 6 =
7.7 + 34 =
8.23 + 69 =
9.21 + 56 =
10.2 + 89 =
11.94 + 6 =
12.54 + 46 =
13.48 + 26 =
14.19 + 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 12
- 34 + 66 =100
- 9 + 49 =58
- 90 + 10 =100
- 65 + 35 =100
- 51 + 49 =100
- 67 + 6 =73
- 7 + 34 =41
- 23 + 69 =92
- 21 + 56 =77
- 2 + 89 =91
- 94 + 6 =100
- 54 + 46 =100
- 48 + 26 =74
- 19 + 8 =27
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.