

Grade 2 · Math · On Level
Free Addition Within 100 worksheet - version 3
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-1O7XNDK-WZ9S
1.
85 + 15 =
2.
38 + 62 =
3.
39 + 61 =
4.
90 + 10 =
5.
11 + 65 =
6.
54 + 46 =
7.
70 + 30 =
8.
17 + 27 =
9.
73 + 25 =
10.
74 + 26 =
11.
38 + 52 =
12.
67 + 33 =
13.
24 + 59 =
14.
12 + 27 =
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 3
- 85 + 15 =100
- 38 + 62 =100
- 39 + 61 =100
- 90 + 10 =100
- 11 + 65 =76
- 54 + 46 =100
- 70 + 30 =100
- 17 + 27 =44
- 73 + 25 =98
- 74 + 26 =100
- 38 + 52 =90
- 67 + 33 =100
- 24 + 59 =83
- 12 + 27 =39
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.