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Addition Within 100

Grade 2 · On-level practice · 14 questions · Version PG-P3CZ0E-WZ9S

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1.13 + 86 =
2.84 + 16 =
3.23 + 0 =
4.3 + 61 =
5.92 + 8 =
6.20 + 27 =
7.6 + 49 =
8.44 + 56 =
9.65 + 21 =
10.56 + 44 =
11.64 + 6 =
12.51 + 14 =
13.37 + 53 =
14.89 + 11 =

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
  1. 13 + 86 =99
  2. 84 + 16 =100
  3. 23 + 0 =23
  4. 3 + 61 =64
  5. 92 + 8 =100
  6. 20 + 27 =47
  7. 6 + 49 =55
  8. 44 + 56 =100
  9. 65 + 21 =86
  10. 56 + 44 =100
  11. 64 + 6 =70
  12. 51 + 14 =65
  13. 37 + 53 =90
  14. 89 + 11 =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.