☀️ Summer Subtraction Within 20

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1. 11 − 7 = ____

2. 17 − 13 = ____

3. 15 − 5 = ____

4. 5 − 4 = ____

5. 5 − 5 = ____

6. 14 − 13 = ____

7. 15 − 13 = ____

8. 7 − 3 = ____

9. 19 − 12 = ____

10. 12 − 8 = ____

11. 6 − 2 = ____

12. 17 − 2 = ____

13. 20 − 8 = ____

14. 10 − 7 = ____

15. 11 − 2 = ____

16. 11 − 5 = ____

17. 11 − 2 = ____

18. 9 − 3 = ____

19. 10 − 1 = ____

20. 10 − 6 = ____

Answer key: 1. 4 · 2. 4 · 3. 10 · 4. 1 · 5. 0 · 6. 1 · 7. 2 · 8. 4 · 9. 7 · 10. 4 · 11. 4 · 12. 15 · 13. 12 · 14. 3 · 15. 9 · 16. 6 · 17. 9 · 18. 6 · 19. 9 · 20. 4

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Worksheets › Summer worksheets › Grade 1 › Math

Grade 1 (ages 6–7)Numbers & mathsFree printable PDF

About this grade 1 worksheet

Free summer math worksheet for 1st grade: solve 20 subtraction facts within 20. Printable, original, with an answer key where needed. Skill: Subtracting within 20. Level: Grade 1 — also suits Year 2 (UK).

For teachers: skills & standards

CCSS 1.OA.C.6: Add and subtract within 20, with fluency within 10
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

Frequently asked questions

Is this worksheet free?

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What age is it for?

It is designed for Grade 1 (ages 6–7), but use it with any child who is ready.

What skills does it build?

Subtracting within 20.

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Pagine's free library has 20,000+ children's books you can read in the Pagine e-reader or the free Pagine app — sorted by age and grade, with free audiobooks too.

More summer math worksheets

Summer Addition Within 20 · Summer Word Problems · Summer Tens and Ones · Summer Compare Two-Digit Numbers · Summer Missing Numbers · Summer Tell Time: Hour & Half Hour · Summer Picture Graph Questions · Summer Skip Counting by 2s, 5s and 10s · Summer Doubles and Near Doubles

All 50 summer worksheets for Grade 1 → · Summer books & activities →

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