🧮 Subtraction Within 10

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Solve each problem. Show your working if you need to.

1.1 − 1 =

2.9 − 4 =

3.7 − 1 =

4.3 − 0 =

5.2 − 2 =

6.6 − 5 =

7.9 − 6 =

8.9 − 3 =

9.10 − 2 =

10.10 − 9 =

11.9 − 4 =

12.4 − 4 =

13.9 − 6 =

14.8 − 0 =

15.1 − 0 =

16.10 − 1 =

17.10 − 9 =

18.6 − 5 =

19.10 − 9 =

20.7 − 1 =

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

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Worksheets › Grade 1 › Numbers & maths

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

About this grade 1 worksheet

Free 1st grade subtraction worksheet: 20 subtraction facts within 10 with answer key. Builds subtraction fluency for grade 1. Skill: Subtracting within 10. 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.

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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 10.

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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 numbers & maths worksheets

Number Tracing 0–10 · Number 1 Worksheet: Trace, Count & Colour · Number 2 Worksheet: Trace, Count & Colour · Number 3 Worksheet: Trace, Count & Colour · Number 4 Worksheet: Trace, Count & Colour · Number 5 Worksheet: Trace, Count & Colour · Number 6 Worksheet: Trace, Count & Colour · Number 7 Worksheet: Trace, Count & Colour · Number 8 Worksheet: Trace, Count & Colour · Number 9 Worksheet: Trace, Count & Colour

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