📱 Track your child's reading — free Scan a book to log it. Kids earn streaks 🔥 & badges 🏅. Free on iOS & Android.

❄️ Winter Missing Numbers

PaginePaginepagineapp.com
Name:
Date:
1. ___ + 1 = 5
2. ___ + 6 = 9
3. 4 + ___ = 6
4. 3 + ___ = 5
5. ___ + 3 = 10
6. 8 + ___ = 13
7. 8 + ___ = 15
8. 3 + ___ = 12
9. 2 + ___ = 11
10. 7 + ___ = 12
11. 10 + ___ = 11
12. ___ + 9 = 12
Answer key: 1. 4 · 2. 3 · 3. 2 · 4. 2 · 5. 7 · 6. 5 · 7. 7 · 8. 9 · 9. 9 · 10. 5 · 11. 1 · 12. 3
Love free resources? The free Pagine app tracks the books your child reads — kids earn streaks & badges. 📚 App Store · Google Play
Free to print & share · pagineapp@mwamb.compagineapp.com

Worksheets › Winter worksheets › Grade 1 › Math

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

About this grade 1 worksheet

Free winter math worksheet for 1st grade: find the missing number in each fact. Printable, original, with an answer key where needed. Skill: Finding the unknown number. Level: Grade 1 — also suits Year 2 (UK).

For teachers: skills & standards

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?

Finding the unknown number.

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 winter math worksheets

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

All 50 winter worksheets for Grade 1 → · Winter books & activities →

📚 Read along: 20,000+ free books in the Pagine e-reader

Pair this grade 1 worksheet with a story. Pagine's free library has 20,000+ children's books — early readers, picture books and first chapter books, classics and free audiobooks — that you can read right in the Pagine e-reader on any phone, tablet or computer, with adjustable text size and night mode. No ads.

The Lost Doll - with audio
Global Digital Library
Read free →
Elders!
Global Digital Library
Read free →
Everyone Eats.
Global Digital Library
Read free →
My home
Global Digital Library
Read free →
Playground
Global Digital Library
Read free →
Monkey and Banana
Global Digital Library
Read free →

Browse free grade 1 books → · Grade 1 reading level · Free audiobooks · Grade 1 sight words

📱 Get the free Pagine app — log every book your child reads (scan the barcode or search), set reading goals, and watch streaks and badges grow. Download on the App Store · Get it on Google Play

📚 Get the free Pagine app — 20,000+ books to read free Turn reading into a habit kids love — read online, set goals, earn badges.