Grade 2 · Math · On Level
Free Addition Within 100 worksheet - version 1
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 · On-level practice · 14 questions · Version PG-1ORWURI-WZ9S
1.30 + 70 =
2.55 + 45 =
3.28 + 4 =
4.38 + 17 =
5.80 + 20 =
6.99 + 1 =
7.40 + 60 =
8.1 + 72 =
9.91 + 9 =
10.77 + 23 =
11.20 + 51 =
12.65 + 14 =
13.85 + 15 =
14.43 + 0 =
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 1
- 30 + 70 =100
- 55 + 45 =100
- 28 + 4 =32
- 38 + 17 =55
- 80 + 20 =100
- 99 + 1 =100
- 40 + 60 =100
- 1 + 72 =73
- 91 + 9 =100
- 77 + 23 =100
- 20 + 51 =71
- 65 + 14 =79
- 85 + 15 =100
- 43 + 0 =43
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.