WorksheetMap has upgraded to PDF Agile โ€” the free PDF editor for Windows & Mac.

Missing Numbers to 100

Free printable kindergarten and grade 1 missing numbers worksheet with answer key. Fill in the missing number and write the numbers before and after. PDF download โ€” no signup required.

๐Ÿ“„ Free PDFโœ… Answer Key๐Ÿ–จ๏ธ Print-Ready
Home › Counting › Missing Numbers to 100

Preview: Missing Numbers to 100

2 pages
CountingGrades Kโ€“1Free Printable
Name: __________________    Date: __________

๐Ÿ”ข Missing Numbers to 100

๐Ÿ“– Concept

Numbers follow a pattern. Knowing the count order lets you figure out the missing number in a sequence, like 10, 11, ___, 13.

โœ๏ธ Section A โ€” Write the missing number

1. 1, 2, ____, 4
2. 7, ____, 9, 10
3. 12, 13, ____, 15
4. 18, ____, 20, 21

โœ๏ธ Section B โ€” Write the number before and after

5. ____ 40 ____
6. ____ 55 ____
7. ____ 63 ____
8. ____ 71 ____
โœ… Answer key: 3, 8, 14, 19, 39/41, 54/56, 62/64, 70/72 โ€ฆ (full key in PDF)
๐Ÿ“– Concept guide๐Ÿ”ข Practice problemsโœ… Answer key๐Ÿ–จ๏ธ A4 print-ready

๐Ÿ“Œ Also try: Before and After Numbers โ€” a related number-order skill

๐Ÿ“Œ Tip: Press Ctrl+D to bookmark โ€” come back for more free worksheets.

๐Ÿ“„ Missing Numbers to 100: Edit & Print with PDF Agile

Printable worksheet with answer key. A4 size. No signup required.

๐Ÿ”’ No Sign-up Required๐Ÿ›ก๏ธ Virus-Free & Safe

About This Missing Numbers to 100 Worksheet

This free printable missing numbers to 100 worksheet helps kindergarten and first-grade students master number order. Learners fill in the missing number in a sequence and write the numbers that come before and after a given number. Print on US Letter or A4 paper and use the included answer key to check work quickly.

What Students Will Learn

Students build number sense and the ability to count forward and backward within 100. Recognizing number order and patterns โ€” knowing what comes next or what is missing โ€” is the foundation for skip counting, place value, and addition.

How Teachers Can Use This Worksheet

How Parents and Homeschoolers Can Use This Worksheet

Count everyday things โ€” steps, snacks, and toys โ€” and occasionally ask "what number comes next?" Use a hundred chart on the wall as a visual anchor. Keep sessions short and playful; number order builds best with frequent, small doses of practice.

Skills Covered

number order ยท counting to 100 ยท counting forward/backward ยท number sense ยท number patterns

Related Worksheets

We use cookies to analyze traffic. By continuing you agree to our Privacy Policy.