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Subtraction Within 20

Name: ______________Date: _______
1)
12
− 9
2)
29
− 10
3)
26
− 20
4)
23
− 8
5)
20
− 2
6)
17
− 2

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1st & 2nd Grade

Subtraction Within 20

Subtraction facts to 20 for building fluency.

Grade
1st & 2nd Grade
Common Core
1.OA.C.6
Topic
Subtraction Worksheets
Format
PDF · A4 / Letter
Make & download PDFSee all in this topic →

Sample problems

  1. 1.12 − 9
  2. 2.29 − 10
  3. 3.26 − 20
  4. 4.23 − 8
  5. 5.20 − 2
  6. 6.17 − 2
Answer key
  1. 1.3
  2. 2.19
  3. 3.6
  4. 4.15
  5. 5.18
  6. 6.15

About this Subtraction Within 20 worksheet

This subtraction within 20 worksheet is aimed at 1st & 2nd Grade students and is generated by MathPrepAI's algorithmic engine — so you can produce unlimited fresh versions with automatic answer keys. Adjust the number of problems, difficulty, and page layout, then download a print-ready PDF. It aligns with Common Core standard 1.OA.C.6.

Browse more by grade: Grade 1, Grade 2.

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