TGAU Haen Uwch - Gwaith Rhif, Amcangyfrif, Talgrynnu, Ffigurau Ystyrlon, Biliau, Cymhareb, Patrwm Rhif, Patrymau Rhif, nfed term, Ffracsiwn, Degolyn, Degolion, Canran, Canrannau, Ffurf Safonol, Indecsau, Mynegi rhif fel lluoswm o'i rifau cysefin, Rhifau Cylchol, Syrdiau,
GCSE Higher Tier - Number Work, Estimate, Estimation, Round, Rounding, Significant Figures, Bills, Ratio, Number Patterns, nth term, Fraction, Decimal, Percentage, Standard Form, Indices, Product of its Prime Numbers, Cyclic Numbers, Surd, Surds.
GCSE Higher Tier - Number Work, Estimate, Estimation, Round, Rounding, Significant Figures, Bills, Ratio, Number Patterns, nth term, Fraction, Decimal, Percentage, Standard Form, Indices, Product of its Prime Numbers, Cyclic Numbers, Surd, Surds.