1st Grade Missing Numbers Worksheets (1-20) Set 12 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 12 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Math Worksheets
These free printable 1st grade math worksheets help children practice the core skills they need as they move from early counting into addition, subtraction, and basic facts. First grade is an important year for building number sense, solving simple problems, and becoming more confident with math practice.
Use these worksheets for kids who need extra practice with addition facts, subtraction facts, missing numbers, and counting review. The worksheets are simple to print and easy to use for classroom lessons, homework, homeschool practice, or morning math work.
What You'll Find
- Addition worksheets
- Subtraction worksheets
- Counting and number sense
- Basic facts practice
- Missing numbers
Browse ready-made worksheets below or create your own custom printable math worksheet in seconds.
1st Grade Math Practice Guide
1st Grade math practice should build fluency while still helping students understand why each step works. Printable worksheets are useful for reviewing facts, strengthening accuracy, and giving students enough repetition to feel confident with new skills.
Parents and teachers can use these free printable 1st grade math worksheets for daily warmups, homework, small group review, homeschool lessons, or extra practice before a quiz. Choose a worksheet type below to focus on one skill at a time.
- Review basic facts regularly
- Choose focused practice before mixed review
- Check work and correct errors early
- Use related worksheets to build skill progression
Choose a Worksheet Type
Popular 1st Grade Worksheets
Showing 547-567 of 1135 worksheets. Page 27 of 55.
1st Grade Missing Numbers Worksheets (1-20) Set 13 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 13 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 14 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 14 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 15 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 15 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 16 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 16 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 17 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 17 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 18 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 18 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 19 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 19 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 20 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 20 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 21 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 21 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 22 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 22 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 23 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 23 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 24 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 24 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 25 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 25 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 26 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 26 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 27 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 27 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 28 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 28 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 29 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 29 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 30 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 30 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 31 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 31 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers Worksheets (1-20) Set 32 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 32 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
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Create Your Own WorksheetFrequently Asked Questions
What math skills should a 1st grader know?
A 1st grader should practice counting, addition, subtraction, number sense, missing numbers, and basic math facts.
Are these 1st grade worksheets printable?
Yes. These worksheets are free printable math worksheets that can be downloaded or printed for practice.
Can I use these worksheets for homework?
Yes. They work well for homework, classroom review, homeschool lessons, and extra math practice.
Do 1st graders need picture math?
Picture math is helpful for many 1st graders because it connects counting with addition and subtraction.