An iterative process is a way of solving problems by repeating a series of steps over and over again until you get closer to the answer or solution you want.
In GCSE Maths, this might mean using a formula or method multiple times to improve your estimate or answer. Each time you repeat the steps, you take what you learned from the last try to make a better or more accurate guess. It's a bit like trying different keys on a lock until you find the one that works.
Iterative processes are useful in maths because they help you refine your answer and make it as correct as possible.
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