Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...

Number sequences are sets of numbers that follow a pattern or a rule. Each number in a sequence is called a term. A sequence which increases or decreases by the same amount each time is called a ...

The questions in this quiz are suitable for GCSE maths students studying sequences, position to term rules, using the nth term, finding the nth term of quadratic sequences - Higher, geometric ...