🧮 10 More, 10 Less

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

1.10 more than 49

2.10 less than 43

3.10 more than 53

4.10 less than 39

5.10 more than 64

6.10 less than 46

7.10 more than 50

8.10 less than 23

9.10 more than 65

10.10 less than 59

11.10 more than 52

12.10 less than 68

13.10 more than 84

14.10 less than 40

15.10 more than 61

16.10 less than 59

17.10 more than 80

18.10 less than 85

19.10 more than 50

20.10 less than 78

Answer key: 1. 59 · 2. 33 · 3. 63 · 4. 29 · 5. 74 · 6. 36 · 7. 60 · 8. 13 · 9. 75 · 10. 49 · 11. 62 · 12. 58 · 13. 94 · 14. 30 · 15. 71 · 16. 49 · 17. 90 · 18. 75 · 19. 60 · 20. 68

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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 worksheet: find 10 more and 10 less than two-digit numbers — mental math with place value. Answer key included. Skill: Mental 10 more / 10 less. Level: Grade 1 — also suits Year 2 (UK).

For teachers: skills & standards

CCSS 1.NBT.C.5: Mentally find 10 more or 10 less
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

Frequently asked questions

Is this worksheet free?

Yes — it is free to print for home or the classroom. Sign in with a free Pagine account, then use the Print button or save it as a PDF.

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?

Mental 10 more / 10 less.

Where can I find grade 1 books to read with it?

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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