Maths Activities - Prime & Composite Numbers
| Prime and composite numbers List the factors of numbers and identify which numbers are prime or composite. Classify numbers as prime or composite by the number of factors they have. |
| Grid to show prime and composite numbers Remove or show multiples of a number to see if it is prime or composite. |
| Mallard Maths - click on prime numbers and multiples Chose from even numbers, odd numbers, primes, multiples of 3 and 7, squares, powers of 2. If you're feeling really mathematical, test your wits with the random selection. |