Prime and Composite Numbers

★★★★★ 5.0 Year 5 Maths 📁 Digital Resource
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By the end of this unit, students will be able to:

  1. Understand the difference between prime and composite numbers.
  2. Build on this knowledge to identify prime numbers from a given set of numbers.
  3. 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 GroupYear 5 Maths
Resource Type📁 Digital Resource
FormatPrint & Digital
CurriculumEngland & Wales — KS2 (Years 3–6)
Added4 March 2026

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