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1st Grade Subtraction Worksheet Generator
Create a printable 1st grade subtraction worksheet for ages 6–7 — 20 fresh problems (5–20 and 0–12) every time you click, with a separate answer-key page. Aligned to Common Core 1.OA.C.6 — subtract within 20.
Worksheet generator
1st Grade Subtraction
1.OA.C.6 — subtract within 20
Name: ________________Date: __________Score: ____ / 20
- 1.19 − 3 =
- 2.8 − 0 =
- 3.10 − 2 =
- 4.8 − 3 =
- 5.13 − 5 =
- 6.5 − 0 =
- 7.20 − 5 =
- 8.18 − 3 =
- 9.11 − 8 =
- 10.10 − 1 =
- 11.6 − 1 =
- 12.17 − 10 =
- 13.13 − 2 =
- 14.16 − 7 =
- 15.16 − 5 =
- 16.10 − 10 =
- 17.18 − 1 =
- 18.11 − 3 =
- 19.20 − 8 =
- 20.11 − 4 =
Answer key — 1st Grade Subtraction
- 1. 19 − 3 = 16
- 2. 8 − 0 = 8
- 3. 10 − 2 = 8
- 4. 8 − 3 = 5
- 5. 13 − 5 = 8
- 6. 5 − 0 = 5
- 7. 20 − 5 = 15
- 8. 18 − 3 = 15
- 9. 11 − 8 = 3
- 10. 10 − 1 = 9
- 11. 6 − 1 = 5
- 12. 17 − 10 = 7
- 13. 13 − 2 = 11
- 14. 16 − 7 = 9
- 15. 16 − 5 = 11
- 16. 10 − 10 = 0
- 17. 18 − 1 = 17
- 18. 11 − 3 = 8
- 19. 20 − 8 = 12
- 20. 11 − 4 = 7
Sample problems
19 − 3 = 168 − 0 = 810 − 2 = 88 − 3 = 5
How to use it in class
- Click New worksheet for a different set — ideal for daily fluency practice or differentiated copies.
- Print worksheet prints only the sheet; the answer key goes on its own page (untick to leave it out).
- Time students on repeated sheets to track fluency gains week by week.
Standards alignment
Number ranges follow the Common Core grade-level expectations (K: add/subtract within 10; Grade 1: within 20; Grade 2: within 100; Grade 3: within 1,000 and multiplication facts to 10 × 10; Grade 4: multi-digit; Grade 5: decimals to hundredths and fractions with unlike denominators; Grades 6–8: fraction division, ratios, integers and linear equations).
1st Grade worksheets
| Worksheet | Number range | Standard |
|---|---|---|
| Addition | 0–12 and 0–12 (answers ≤ 20) | 1.OA.C.6 — add within 20 |
| Subtraction | 5–20 and 0–12 | 1.OA.C.6 — subtract within 20 |
Frequently asked questions
Are the worksheets free to print?
Yes — unlimited, free and with no sign-up. Use them in class, for homework or tutoring.
Is there an answer key?
Yes. Every worksheet prints with an answer key on a separate page; untick “Print answer key” to leave it out.
Do I get different problems each time?
Yes. Each click on “New worksheet” builds 20 new problems within the grade-level range, with no duplicates on a sheet.
What does 1st grade subtraction cover?
1.OA.C.6 — subtract within 20. This sheet uses 5–20 and 0–12.
Can I use it on a tablet?
Yes — or print to PDF from the print dialog to share digitally.