Prime and Composite Numbers

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