Grade 2 · Math · On Level
Free Addition Within 100 worksheet - version 9
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-1MK017Q-WZ9S
1.
41 + 59 =
2.
75 + 25 =
3.
31 + 43 =
4.
36 + 21 =
5.
26 + 74 =
6.
46 + 54 =
7.
32 + 53 =
8.
12 + 40 =
9.
21 + 79 =
10.
40 + 60 =
11.
19 + 8 =
12.
18 + 82 =
13.
90 + 10 =
14.
68 + 32 =
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 9
- 41 + 59 =100
- 75 + 25 =100
- 31 + 43 =74
- 36 + 21 =57
- 26 + 74 =100
- 46 + 54 =100
- 32 + 53 =85
- 12 + 40 =52
- 21 + 79 =100
- 40 + 60 =100
- 19 + 8 =27
- 18 + 82 =100
- 90 + 10 =100
- 68 + 32 =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.