teaching resource

Prime and Composite Numbers Worksheet

Teach Starter Publishing
Google Slide, PDF | 2 pages | Grades: 4 - 5

A worksheet to practice the relationship between factors and prime and composite numbers.

Use this worksheet when teaching students how to identify whether a number is prime or composite by factoring. 

Students will factor a set of numbers, then decide whether they are prime or composite. 

This resource can be used as independent practice after a lesson or together as a whole-class activity in the middle of a lesson. Simply project the worksheet on the dry-erase board and complete the problems together.

Use the drop-down menu to choose between the PDF or Google slides version. An answer key is included in the download.


This resource was created by Lauren Blankenship, a teacher in Florida and a Teach Starter Collaborator.

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