English: Mathematics and Numeracy 
Welsh: Mathemateg a Rhifedd
Subject: Addysg
English definition: The Mathematics and numeracy Area of Learning and Experience is concerned with developing a good, lasting understanding of mathematical concepts and the confidence to use and apply numerical skills in everyday life. 
Welsh context: Un o’r Meysydd Dysgu a Phrofiad. Term sy’n ymddangos yn y ddogfen 'Dyfodol Llwyddiannus: Adolygiad Annibynnol o’r Cwricwlwm a’r Trefniadau Asesu yng Nghymru'.