Saesneg (English)
|
Cymraeg (Welsh)
|
|
Acceleration
|
-
|
Cyflymiad
|
Acute Angle
|
-
|
Ongl lem
|
Addition
|
-
|
Adio
|
Adjacent
|
-
|
Cyfagos
|
Alternate Angle
|
-
|
Ongl Eiledol
|
Angle
|
-
|
Ongl
|
Anticlockwise
|
-
|
Gwrthglocwedd
|
Area
|
-
|
Arwynebedd
|
Ascending
|
-
|
Esgynnol
|
Brackets
|
-
|
Cromfachau
|
Circumference
|
-
|
Cylchedd
|
Clockwise
|
-
|
Clocwedd
|
Conversion
|
-
|
Trawsnewid
|
Coordinates
|
-
|
Cyfesurynnau
|
Correlation
|
-
|
Cydberthyniad
|
Corresponding Angle
|
-
|
Ongl Cyfatebol
|
Cumulative Frequency
|
-
|
Amledd Cronnus
|
Curve
|
-
|
Cromlin
|
Degree
|
-
|
Gradd
|
Denominator
|
-
|
Enwadur
|
Direct Proportion
|
-
|
Cyfrannedd Union
|
Distance
|
-
|
Pellter
|
Divide
|
-
|
Rhannu
|
Enlargement
|
-
|
Helaethiad
|
Equal
|
-
|
Hafal
|
Equation
|
-
|
Hafaliad
|
Equilateral Triangle
|
-
|
Triongl Hafalochrog
|
Estimate
|
-
|
Amcangyfrif
|
Even Number
|
-
|
Eilrif
|
Expand
|
-
|
Ehangwch
|
Exterior Angle
|
-
|
Ongl Allanol
|
Factorise
|
-
|
Ffactoriwch
|
Frequency
|
-
|
Amledd
|
Gradient
|
-
|
Graddiant
|
Improper Fraction
|
-
|
Ffracsiwn Pendrwm
|
Independent
|
-
|
Annibynnol
|
Indices
|
-
|
Indecsau
|
Inequality
|
-
|
Anhafaledd
|
Intercepts
|
-
|
Rhyngdorri
|
Interest
|
-
|
Llôg
|
Interior Angle
|
-
|
Ongl Mewnol
|
Intersection
|
-
|
Croestoriad
|
Inverse Proportion
|
-
|
Cyfrannedd Wrthdro
|
Isosceles Triangle
|
-
|
Triongl Isosgeles
|
Lower Bound
|
-
|
Arffin Isaf
|
Mean
|
-
|
Cymedr
|
Median
|
-
|
Canolrif
|
Midpoint
|
-
|
Canolbwynt
|
Mode
|
-
|
Modd
|
Multiple
|
-
|
Lluosrif
|
Multiply
|
-
|
Lluosi
|
Numerator
|
-
|
Rhifiadur
|
Obtuse Angle
|
-
|
Ongl Aflem
|
Odd Number
|
Odrif
|
|
Origin
|
-
|
Tardd
|
Percentage
|
-
|
Canran
|
Perpendicular
|
-
|
Perpendicwlar
|
Prime Number
|
-
|
Rhif Cysefin
|
Probability
|
-
|
Tebygolrwydd
|
Quadratic Equation
|
-
|
Hafaliad Cwadratig
|
Quadrilateral
|
-
|
Pedrochr
|
Range
|
-
|
Amrediad
|
Ratio
|
-
|
Cymhareb
|
Rectangle
|
-
|
Petryal
|
Reflection
|
-
|
Adlewyrchiad
|
Reflex Angle
|
-
|
Ongl Atblyg
|
Region
|
-
|
Rhanbarth
|
Remainder
|
-
|
Gweddill
|
Right Angle
|
-
|
Ongl Sgwâr
|
Rotation
|
-
|
Cylchdro
|
Scalene Triangle
|
-
|
Anghyfochrog
|
Scatter Diagram
|
-
|
Diagram Gwasgariad
|
Simultaneous Equations
|
-
|
Hafaliadau Cydamserol
|
Solve
|
-
|
Datryswch
|
Speed
|
-
|
Buanedd
|
Square Root
|
-
|
Ail Isradd
|
Standard Deviation
|
-
|
Gwyriad Safonol
|
Standard Form
|
-
|
Ffruf Safonol
|
Statistics
|
-
|
Ystadegau
|
Substitution
|
-
|
Amnewid
|
Subtract
|
-
|
Tynnu
|
Surds
|
-
|
Swrdiau
|
Symmetry
|
-
|
Cymesuredd
|
Tangent
|
-
|
Tangiad
|
Thousand
|
-
|
Mil
|
Transformation
|
-
|
Trawsffurfiant
|
Translate
|
-
|
Trawsfudo
|
Upper Bound
|
-
|
Arffin uchaf
|
Vertices
|
-
|
Fertigau
|
x-Axis
|
-
|
Echelin-x
|
y-Axis
|
-
|
Echelin-y
|
Termau Mathemateg – TGAU Sylfaenol
Saesneg (English)
|
Cymraeg (Welsh)
|
|
Acute Angle
|
-
|
Ongl lem
|
Addition
|
-
|
Add
|
Adjacent
|
-
|
Cyfagos
|
Alternate Angle
|
-
|
Ongl Eiledol
|
Angle
|
-
|
Ongl
|
Anticlockwise
|
-
|
Gwrthglocwedd
|
Area
|
-
|
Arwynebedd
|
Ascending
|
-
|
Esgynnol
|
Brackets
|
-
|
Cromfachau
|
Circumference
|
-
|
Cylchedd
|
Clockwise
|
-
|
Clocwedd
|
Conversion
|
-
|
Trawsnewid
|
Coordinates
|
-
|
Cyfesurynnau
|
Correlation
|
-
|
Cydberthyniad
|
Corresponding Angle
|
-
|
Ongl Cyfatebol
|
Curve
|
-
|
Cromlin
|
Degree
|
-
|
Gradd
|
Denominator
|
-
|
Enwadur
|
Distance
|
-
|
Pellter
|
Divide
|
-
|
Rhannu
|
Enlargement
|
-
|
Helaethiad
|
Equal
|
-
|
Hafal
|
Equation
|
-
|
Hafaliad
|
Equilateral Triangle
|
-
|
Triongl Hafalochrog
|
Estimate
|
-
|
Amcangyfrif
|
Even Number
|
-
|
Eilrif
|
Expand
|
-
|
Ehangwch
|
Exterior Angle
|
-
|
Ongl Allanol
|
Factorise
|
-
|
Ffactoriwch
|
Frequency
|
-
|
Amledd
|
Indices
|
-
|
Indecsau
|
Inequality
|
-
|
Anhafaledd
|
Intercepts
|
-
|
Rhyngdorri
|
Interest
|
-
|
Llôg
|
Interior Angle
|
-
|
Ongl Mewnol
|
Intersection
|
-
|
Croestoriad
|
Isosceles Triangle
|
-
|
Triongl Isosgeles
|
Mean
|
-
|
Cymedr
|
Median
|
-
|
Canolrif
|
Midpoint
|
-
|
Canolbwynt
|
Mode
|
-
|
Modd
|
Multiple
|
-
|
Lluosrif
|
Multiply
|
-
|
Lluosi
|
Numerator
|
-
|
Rhifiadur
|
Obtuse Angle
|
-
|
Ongl Aflem
|
Odd Number
|
Odrif
|
|
Origin
|
-
|
Tardd
|
Percentage
|
-
|
Canran
|
Perpendicular
|
-
|
Perpendicwlar
|
Prime Number
|
-
|
Rhif Cysefin
|
Probability
|
-
|
Tebygolrwydd
|
Quadrilateral
|
-
|
Pedrochr
|
Range
|
-
|
Amrediad
|
Ratio
|
-
|
Cymhareb
|
Rectangle
|
-
|
Petryal
|
Reflection
|
-
|
Adlewyrchiad
|
Reflex Angle
|
-
|
Ongl Atblyg
|
Region
|
-
|
Rhanbarth
|
Remainder
|
-
|
Gweddill
|
Right Angle
|
-
|
Ongl Sgwâr
|
Rotation
|
-
|
Cylchdro
|
Scalene Triangle
|
-
|
Anghyfochrog
|
Scatter Diagram
|
-
|
Diagram Gwasgariad
|
Solve
|
-
|
Datryswch
|
Speed
|
-
|
Buanedd
|
Square Root
|
-
|
Ail Isradd
|
Substitution
|
-
|
Amnewid
|
Subtract
|
-
|
Tynnu
|
Symmetry
|
-
|
Cymesuredd
|
Tangent
|
-
|
Tangiad
|
Thousand
|
-
|
Mil
|
Transformation
|
-
|
Trawsffurfiant
|
Translate
|
-
|
Trawsfudo
|
Vertices
|
-
|
Fertigau
|
x-Axis
|
-
|
Echelin-x
|
y-Axis
|
-
|
Echelin-y
|
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