Skills Covered

How to Use These Worksheets

Students look at each number and write “odd” or “even” on the line next to it. Practice identifying odd and even numbers within 20.

In the Classroom

Use for guided practice or assessment. Have students work in pairs and check each other’s answers to encourage discussion about odd and even rules.

At Home

Quiz each other on random numbers. Try calling out numbers during everyday activities and asking whether they are odd or even.

Tips for Success

• Even numbers can be split into two equal groups
• Odd numbers always have one left over
• Practice spelling both words
• Use the answer key for self-checking

Common Core Standards Alignment

These worksheets support the following Common Core State Standards for Mathematics:

• 2.OA.C.3 — Determine whether a group of objects has an odd or even number of members
• 1.OA.C.5 — Relate counting to addition and subtraction