Prime and Composite Numbers

★★★★★ 5.0 • Year 5 Maths • 🎓 Interactive Lesson & Activities

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By the end of this unit, students will be able to:

Understand the difference between prime and composite numbers.
Build on this knowledge to identify prime numbers from a given set of numbers.
Identify prime numbers from 1 to 100.

Curriculum Alignment: Year 5 Number – Multiplication and Division

Know and use the vocabulary of prime numbers, prime factors and composite (non-prime) numbers.
Establish whether a number up to 100 is prime and recall prime numbers up to 19

Year Group	Year 5 Maths
Resource Type	🎓 Interactive Lesson & Activities
Format	Digital Only
Curriculum	England & Wales — KS2 (Years 3–6)
Added	4 March 2026