Grade 2 · Math · Challenge
Free Addition Within 100 worksheet - version 16
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-1B936VS-7SAY
1.84 + 16 =
2.2 + 70 =
3.19 + 19 =
4.14 + 40 =
5.46 + 37 =
6.90 + 10 =
7.43 + 57 =
8.48 + 3 =
9.80 + 20 =
10.95 + 5 =
11.43 + 46 =
12.57 + 43 =
13.45 + 55 =
14.24 + 76 =
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 16
- 84 + 16 =100
- 2 + 70 =72
- 19 + 19 =38
- 14 + 40 =54
- 46 + 37 =83
- 90 + 10 =100
- 43 + 57 =100
- 48 + 3 =51
- 80 + 20 =100
- 95 + 5 =100
- 43 + 46 =89
- 57 + 43 =100
- 45 + 55 =100
- 24 + 76 =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.