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Trial and improvement — Eduqas GCSE Mathematics Definition | GradeGen

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Mathematics
Key terms
Trial and improvement

GCSE Mathematics · key term

Trial and improvement

Definition

A numerical method that tests values in an equation and uses the results to choose better trials.

Used by Eduqas

How each exam board covers it

Eduqas GCSE Mathematics · C300

Specification HA20 · Paper 1, Paper 2

In trial and improvement, each substitution helps us choose the next trial. Decimal search makes this systematic: search in whole-number steps, then tenths, then hundredths as needed.
Revise: Numerical Iteration

Eduqas Mathematics past papers

Related key terms

Convergence
Decimal search
Interval bisection
Iteration
Iterative formula

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