Mathemateg Llangynwyd
  • Hafan/Home
  • Sgiliau/Skills
    • Adio a Thynnu / Addition and Subtraction
    • Lluosi a Rhannu 10, 100, 1000 / Multiply by 10, 100, 1000
    • Lluosi / Multiplication
    • Rhannu / Division
    • Ymarferion Rhif - Number Exercises
    • Supermathsworld.com
  • TGAU/GCSE
    • Haen Uwch / Higher Tier >
      • Algebra / Algebra >
        • Amnewid / Subsitution
        • Cyfrannedd / Proportion
        • Cynnig a Gwella / Trial and Improvement
        • Datrys Hafaliadau / Solving Equations
        • Ffactorio Mynegiadau Cwadratig / Factorising Quadratic Expressions
        • Hafaliadau Cwadratig / Quadratic Equations - Enghreifftiau Cwestiynau Cyn Bapur
        • Ehangu a Symleiddio / Expanding and Simplifying
        • Ffactorio / Factorizing
        • Ffracsiynau Algebraidd / Algebraic Fractions
        • Llunio Hafaliad / Formulating Equations
        • Newid Testun / Changing the Subject
      • Data / Data >
        • Cyfartaleddau / Averages
        • Tebygolrwydd / Probability
        • Graffiau / Graphs >
          • Amlder Cronnus / Cumulative Frequency
          • Gwasgariad / Scatter Diagram
          • Histogram / Histogram
          • Polygon a Diagram Amlder / Feequency Diagram and Polygon
      • Rhif / Number >
        • Rhif Cyffredinol / Standard Number Work
        • Ffracsiynau, Degolion a Chanrannau / Fractions, Percentages and Decimals >
          • Ffracsiynau / Fractions
          • Canrannau / Percentages
          • Degolion / Decimals
          • Newid rhwng y tri / Interchanging between the three
        • Biliau / Bills
        • Amcangyfrif a Thalgrynnu / Rounding and Estimation
        • Cymharebau / Ratios
        • Patrymau Rhif / Number Patterns
        • Ffurf Safonol / Standard Form
        • Indecsau / Indices
        • Lluoswm Ffactorau Cysefin ar Ffurf Indecs / Multiple of Prime Factors in Index form
        • Degolion Cylchol / Recurring Decimals
        • Syrdiau / Surds
        • Manwl Gywirdeb wrth fesur (Cyfeiliornad) / Accuracy in measurment (Limits)
      • Siap a Mesur / Shape and Space >
        • Perimedr, Arwynebedd a Chyfaint >
          • Arwynebedd / Area
          • Cyfaint / Volume
        • Siapau Cyflun a Chyfath / Similar and Congruent Shapes
        • Plotio Hafaliadau / Plotting Equations >
          • Graffio Ffwythiannau / Graphing Functions
          • Trawsffurfio Graffiau / Graphical Transformations
        • Locws / Locus
        • Onglau / Angles >
          • Onglau / Angles
          • Cyfeiriant / Bearings
        • Priodweddau Siap / Properties of Shapes
        • Pythagoras / Pythagoras
        • Trawsffurfiadau / Transformations >
          • Adlewyrchu / Reflection
          • Cylchdroi / Rotate
          • Trawsfudo / Translate
          • Helaethu / Enlargement
        • Trigonometreg / Trigonometry >
          • Trionglau Ongl Sgwar
          • Graffiau Sin, Cos a Tan
          • Rheol Sine a Cosine
        • Theoremau'r Cylch / Circle Theorems
    • Haen Ganolradd / Intermediate Tier >
      • Algebra / Algebra >
        • Amnewid / Subsitution
        • Datrys Hafaliadau / Solving Equations
        • Ffactorio Mynegiadau Cwadratig / Factorising Quadratic Expressions
        • Hafaliadau Cwadratig / Quadratic Equations - Enghreifftiau Cwestiynau Cyn Bapur
        • Ehangu a Symleiddio / Expanding and Simplifying
        • Ffactorio / Factorizing
        • Llunio Hafaliad / Formulating Equations
      • Data / Data >
        • Cyfartaleddau / Averages
        • Tebygolrwydd / Probability
        • Graffiau / Graphs >
          • Gwasgariad / Scatter Diagram
          • Polygon a Diagram Amlder / Feequency Diagram and Polygon
          • Amlder Cronnus / Cumulative Frequency
        • Rhif / Number
        • Rhif Cyffredinol / Standard Number Work
        • Ffracsiynau, Degolion a Chanrannau / Fractions, Percentages and Decimals >
          • Ffracsiynau / Fractions
          • Canrannau / Percentages
          • Degolion / Decimals
          • Newid rhwng y tri / Interchanging between the three
        • Biliau / Bills
        • Amcangyfrif a Thalgrynnu / Rounding and Estimation
        • Cymharebau / Ratios
        • Patrymau Rhif / Number Patterns
        • Ffurf Safonol / Standard Form
        • Indecsau / Indices
        • Lluoswm Ffactorau Cysefin ar Ffurf Indecs / Multiple of Prime Factors in Index form
        • Manwl Gywirdeb wrth fesur (Cyfeiliornad) / Accuracy in measurment (Limits)
      • Siap a Mesur / Shape and Space >
        • Perimedr, Arwynebedd a Chyfaint >
          • Arwynebedd / Area
          • Cyfaint / Volume
        • Siapau Cyflun a Chyfath / Similar and Congruent Shapes
        • Plotio Hafaliadau / Plotting Equations >
          • Cyfesurynnau / Coordinates
          • Graffio Ffwythiannau / Graphing Functions
        • Onglau a Cyfeiriant / Angles and Bearings >
          • Onglau / Angles
          • Llinellau Paralel / Parallel Lines
          • Onglau Mewnol ac Allanol / Internal and External Angles
          • Cyfeiriant / Bearings
    • Haen Sylfaenol / Foundation Tier >
      • Algebra >
        • Amnewid / Substitution
        • Anhafaleddau / Inequalities
        • Cynnig a Gwella / Trial and Improvement
        • Llunio Mynegiadau / Formulating Expressions
        • Ehangu a Symleiddio / Expanding and Simplifying
        • Ffactorio / Factorizing
        • Llunio Hafaliad / Formulating Equations
        • Indecsau / Indices
        • Datrys Hafaliadau / Solving Equations
      • Data a Tebygolrwydd / Data and Probability >
        • Cyfartaledd / Average >
          • Cymedr / Mean
          • Canolrif, Modd, Amrediad / Median, Mode, Range
          • Cymedr Data wedi'i Grwpio / Mean of Grouped Data
        • Tebygolrwydd / Probability
        • Llunio Graff / Plotting Graphs >
          • Graff Bar a Pictogram / Bar Chart and Pictograms
          • Diagram a Polygon Amlder / Frequency Diagram and Polygon
          • Graff Gwasgariad / Scatter Diagram
          • Siart Cylch / Pie Chart
          • Graff Trawsnewid / Transformation Graphs
      • Rhif / Number >
        • Gwerth Lle / Place Value
        • Sgiliau Rhif / Number Skills >
          • Adio a Thynnu / Addition and Subtraction
          • Lluosi a Rhannu 10, 100, 1000 / Multiply by 10, 100, 1000
          • Lluosi / Multiplication
          • Rhannu / Division
        • Pwerau ac Israddau / Powers and Roots
        • Rhifau Negatif / Negative Numbers
        • Talgrynnu / Rounding
        • Amcangyfrif / Estimation
        • Ffracsiynau, Degolion a Chanrannau / Fractions, Percentages and Decimals >
          • Ffracsiynau / Fractions
          • Canrannau / Percentages
          • Degolion / Decimals
          • Newid rhwng y tri / Interchanging between the three
        • Patrymau Rhif / Number Patterns
        • Biliau / Bills
        • Cymharebau / Ratios
        • Lluoswm o'i Rifau Cysefin / Multiple of it's Prime Factors
        • Y Fargen Orau / Bargains
      • Siap a Mesur / Shape and Space >
        • Perimedr, Arwynebedd a Chyfaint >
          • Perimedr / Perimeter
          • Arwynebedd / Area
          • Cyfaint / Volume
          • Y Cylch / Circles
        • Cyfeiliornad / Errors
        • Priodweddau Siap / Properties of Shapes
        • Plotio Hafaliadau / Plotting Equations >
          • Graffio Ffwythiannau / Graphing Functions
          • Cyfesurynnau / Coordinates
        • Locws / Locus
        • Onglau a Cyfeiriant / Angles and Bearings >
          • Onglau / Angles
          • Llinellau Paralel / Parallel Lines
          • Onglau Mewnol ac Allanol / Internal and External Angles
          • Cyfeiriant / Bearings
        • Pythagoras / Pythagoras
        • Trawsffurfiadau / Transformations >
          • Adlewyrchu / Reflection
          • Cylchdroi / Rotate
          • Trawsfudo / Translate
          • Helaethu / Enlargement
        • Mesur a Graddfa / Scales and Measures
        • Buanedd / Velocity
        • Dwysedd / Density
        • Cymesuredd / Symmetry >
          • Cymesuredd Llinell / Lines of Symmetry
          • Cymesuredd Cylchdro / Rotational Symmetry
  • Lefel A/A Lefel
  • Cyn Bapurau/Past Papers
    • TGAU / GCSE >
      • Uwch - Higher >
        • Cyn Bapurau Haen Uwch / Higher Past Papers
        • Atebion Papurau Haen Uwch / Higher Tier Paper Answers
        • Ffeil Adolygu Uwch
        • Pecynnau Adolygu Rhifedd Uwch
      • Canolradd - Intermediate >
        • Cyn Bapurau Canolradd
        • Atebion cyn-bapurau Canolradd
        • Ffeil Adolygu Canolradd
        • Paratoi Tachwedd - Canolradd
      • Sylfaenol - Foundation >
        • Cyn Bapurau Haen Sylfaenol / Foundation Past Papers
        • Atebion Haen Sylfaenol / Foundation Tier Answers
        • Ffeil Adolygu Sylfaenol
      • Maths Ychwanegol >
        • Cyn Bapurau Maths Ychwanegol
        • Atebion - Cyn Bapurau Maths Ychwanegol
        • Fideos Enghrefftiol
        • Pecyn Adolygu Maths Ychwanegol
      • Set 5
  • GC Asesu
    • Blwyddyn 10

Yr Adran Fathemateg

The Mathematics Department


Nol i wefan yr ysgol

Croeso i wefan yr adran Fathemateg. 

Mae'r wefan yma yn llawn adnoddau er mwyn gwella eich sgiliau mathemateg tu fas i'r ysgol. Mae pob adran yn cynnwys nifer o fideos ar amryw o destunau. Mae gan nifer o'r fideos cyfrinair.

Ar ddiwedd pob tudalen mae yna ymarferion i chi brintio er mwyn adolygu eich sgiliau.

Cofiwch i fynd i weld eich athro mathemateg os ydych dal i fod yn ansicr o'r gwaith.

Welcome to the Maths departments website

This website is full of resources designed to improve your mathematical skills outside of the classroom. Each area contains many instructional videos on a wide range of topics. Many of the videos are password protected.

At the bottom of each page there are exercises which you can print in order to assess your understanding.

Remember to go and see your maths teacher if you continue to be unsure of the work.

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