Odd and Even Numbers to 20
Browse 10 free printable Odd and Even Numbers to 20 worksheets for Grade 1 Math. These Odd/Even Numbers worksheets are designed to give students targeted practice and build confidence in math.
Worksheets are available at multiple difficulty levels — Easy, Medium, and Hard — so you can meet every student where they are. Each worksheet is an instant PDF download: print as many copies as you need for your classroom, tutoring sessions, or home practice at no cost.
Whether you're a teacher looking for odd/even numbers practice problems, a homeschool parent building a Grade 1 curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
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Practice Questions
- 4
Show answer
Even
- 11
Show answer
Odd
- 10
Show answer
Even
- 13
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Odd
- 12
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Even
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Quick Tip
Teacher Resources
Teaching Notes
Use physical objects (blocks, beans) — if students can pair them all up with none left over, the number is even.
Vocabulary
Common Mistakes
- Thinking 0 is odd
- Using full number instead of just the ones digit for large numbers
Parent Tip
Count objects around the house and decide if the count is odd or even.
Learning Path
Skill Cluster
Number Sense