Grade 2 · Math · Building Confidence
Free Addition Within 100 worksheet - version 14
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-HSNYE4-1DIA
1.100 + 0 =
2.90 + 10 =
3.29 + 71 =
4.42 + 30 =
5.13 + 19 =
6.95 + 5 =
7.99 + 1 =
8.75 + 25 =
9.94 + 6 =
10.96 + 4 =
11.21 + 79 =
12.70 + 30 =
13.41 + 24 =
14.29 + 26 =
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 14
- 100 + 0 =100
- 90 + 10 =100
- 29 + 71 =100
- 42 + 30 =72
- 13 + 19 =32
- 95 + 5 =100
- 99 + 1 =100
- 75 + 25 =100
- 94 + 6 =100
- 96 + 4 =100
- 21 + 79 =100
- 70 + 30 =100
- 41 + 24 =65
- 29 + 26 =55
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.