Mathematics A-Level

number systems

What number systems means in Mathematics A-Level, as defined for WJEC.

Definition of number systems

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Read the wording for your board, then hide it and explain number systems in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

Reference: WJEC

Number sets: ℕ = {1, 2, 3, ...}, ℤ, ℚ, ℝ.

WJEC · Overarching themes - Mathematical argument, language and proof

Topics that use number systems

Overarching themes - Mathematical argument, language and proof (WJEC A-Level)

Related terms

Using number systems in the exam

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All Mathematics A-Level terms