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.
Missing Numbers Worksheets
Missing numbers worksheets help students practice number order, counting sequences, and early number patterns.
Addition Practice Guide
Addition worksheets help students build number sense, accuracy, and confidence with sums. When regrouping is not included, students can focus on lining up numbers, adding each place value, and developing a steady problem-solving routine.
These printable pages work well for classroom warmups, homework, homeschool review, math centers, and extra practice before a quiz. Encourage students to work carefully first, then gradually build speed as facts become more automatic.
What Students Practice
- Adding with accuracy
- Building fact fluency
- Using place value
- Practicing without carrying
Showing 1-21 of 150 worksheets. Page 1 of 8.
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.
Frequently Asked Questions
What are missing number worksheets?
Students fill in blanks in a number sequence to practice counting order and number patterns.
What grade are these for?
Missing number worksheets are useful for kindergarten, Grade 1, and Grade 2 review depending on the number range.