

Grade 2 · Math · On Level
Free Addition Within 100 worksheet - version 5
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-1PVV9JE-WZ9S
1.
12 + 88 =
2.
59 + 41 =
3.
53 + 36 =
4.
14 + 33 =
5.
45 + 55 =
6.
33 + 67 =
7.
58 + 3 =
8.
1 + 5 =
9.
90 + 10 =
10.
21 + 14 =
11.
79 + 21 =
12.
79 + 17 =
13.
93 + 7 =
14.
67 + 33 =
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 5
- 12 + 88 =100
- 59 + 41 =100
- 53 + 36 =89
- 14 + 33 =47
- 45 + 55 =100
- 33 + 67 =100
- 58 + 3 =61
- 1 + 5 =6
- 90 + 10 =100
- 21 + 14 =35
- 79 + 21 =100
- 79 + 17 =96
- 93 + 7 =100
- 67 + 33 =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.