1st Grade Missing Numbers Worksheets (1-20) Set 1 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 1 for Grade 1. Students fill in missing numbers to practice counting order, number sense, and early math fluency.
1st Grade Missing Numbers
Browse free printable 1st grade missing numbers from 123LearningFun. Choose a worksheet below or create your own custom printable math worksheet in seconds.
1st Grade Missing Numbers Practice Guide
Missing Numbers gives students focused practice with a specific math skill instead of mixing too many ideas at once. This helps parents and teachers see where a student is confident and where they may need another example or a slower review.
Use these printable 1st grade missing numbers pages for short practice sessions, homework, math centers, or homeschool review. For best results, have students complete one page carefully, check the work, and talk through any mistakes before moving to a harder worksheet.
- Start with accuracy before speed
- Review mistakes together
- Use answer keys for quick checking
- Move to a related skill when the page feels easy
Choose a Worksheet Type
Popular 1st Grade Missing Numbers
Showing 1-21 of 100 worksheets. Page 1 of 5.
1st Grade Missing Numbers Worksheets (1-20) Set 2 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 2 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 3 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 3 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 4 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 4 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 5 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 5 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 6 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 6 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 7 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 7 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 8 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 8 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 9 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 9 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 10 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 10 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 11 - Free Printable PDF
Download 1st grade missing numbers worksheets (1-20) set 11 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 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 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.
Want a custom worksheet?
Use our worksheet generator to create your own printable math worksheet in seconds.
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.