🧮 Addition Within 10 (A)

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

1.6 + 4 =

2.7 + 0 =

3.1 + 3 =

4.10 + 0 =

5.0 + 10 =

6.1 + 3 =

7.1 + 7 =

8.0 + 5 =

9.1 + 6 =

10.4 + 5 =

11.5 + 1 =

12.6 + 3 =

13.6 + 4 =

14.0 + 9 =

15.2 + 8 =

16.0 + 8 =

17.6 + 2 =

18.6 + 3 =

19.9 + 1 =

20.6 + 0 =

Answer key: 1. 10 · 2. 7 · 3. 4 · 4. 10 · 5. 10 · 6. 4 · 7. 8 · 8. 5 · 9. 7 · 10. 9 · 11. 6 · 12. 9 · 13. 10 · 14. 9 · 15. 10 · 16. 8 · 17. 8 · 18. 9 · 19. 10 · 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 math worksheet: 20 addition facts within 10 with an answer key. Builds addition fluency for grade 1 (set A). Skill: Adding 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?

Adding 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.

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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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