Prime and Composite Poster Pack for Clear Classroom Teaching

This prime and composite poster set makes it easy to teach the difference between prime and composite numbers with simple definitions and clear visuals. Designed for primary classrooms, the posters break down the concepts in a way students can quickly grasp.

Use them on your learning wall, during explicit teaching or as quick references students can return to during independent work. The clean layout and student‑friendly examples help reinforce number concepts across your unit, making lessons smoother and more engaging.

Creative Ways to Use Composite Numbers Posters in Your Classroom

The prime and composite numbers posters can be used in more than just displays—here are some quick, flexible ideas:

• Learning Wall Display – Keep key definitions visible during lessons.
• Notebook Inserts – Print small versions for students to glue into workbooks.
• Screen Display – Use as a warm‑up or teaching prompt.
• Number Hunt – Hide numbers around the room and have students classify them.

Download Your Prime and Composite Numbers Poster Set Instantly

Your prime and composite numbers poster pack is available in two easy-to-use formats:

• Ready-to-download PDF
• Editable Google Slides version
  (You’ll be prompted to make your own copy.)

Perfect for printing, displaying, or adapting to your class needs.

This resource was created by Lindsey Phillips, a Teach Starter collaborator.

Looking for More Prime and Composite Numbers Resources?

Check out more below.

teaching resource

Identifying Prime and Composite Numbers – Worksheet

Use understanding of factors to identify composite and prime numbers with this worksheet.

teaching resource

Prime Factorisation Match-Up

Practise how to find the prime factorisation of a number with this match-up activity.

teaching resource

Find and Colour – Prime and Composite Numbers

Encourage your year 6 students to identify prime and composite numbers up to 100 with this free find and colour worksheet.