Dedicated Year 6 resources for identifying prime numbers (only factors are 1 and itself), reinforcing this key number theory concept, a core KS2 Maths objective. Activities build reasoning in number classification and elimination (e.g., using the Sieve of Eratosthenes). This essential small step supports mastery of number theory and is vital for meeting national curriculum expectations. The CS Maths Scheme provides structured investigation tasks.
Full step description and curriculum objectives