Maths Dictionary
UK vs US language
General GCSE
A* · A · B · C · basics

OCR GCSE A Modular
Foundation A · B · C
Higher A · B · C

OCR A level
C1 · C2 · C3 · C4
FP1 · FP2 · D1 · S1

Edexcel A level
C1 · C2 · C3 · C4
FP1 · D1 · S1

Waldomaths resources
Waldomaths applet - Java applet
Waldomaths video - video (c. 5m)
MS Word document - MS Word file
Adobe Acrobat .pdf file - Adobe .pdf
MS Powerpoint presentation - MS Powerpoint file








General GCSE - Target Grade B

Foreword

This page will be for GCSE revision, aimed at those of you wanting to achieve at least a Grade B in Maths. Please let me know what you think, and what you would like to see here.

Find the HCF and LCM of two or more numbers

Waldomaths video  Prime Factors 2 video - HCF
Waldomaths video  Prime Factors 3 video- LCM
Waldomaths applet  Prime factors applet - HCF, LCM

Rounding to significant figures

 

Convert between recurring decimals and fractions

Waldomaths video  Converting recurring decimals to fractions video
Waldomaths applet  Converting recurring decimals to fractions applet

Standard index form

Waldomaths applet  Standard Index Form applet

Percentage multipliers, 'reverse' and multiple percentages, compound interest

Waldomaths video  Percentage multipliers video
Waldomaths Adobe Acrobat .pdf file  Percentage multipliers worksheet (.pdf)

Solve harder linear equations

Waldomaths applet  Harder Equations applet

Expand two brackets and simplify

 

Solve quadratic equations by factorising

Waldomaths applet  Factorising quadratics

Rearrange formulae with brackets, fractions and roots

 

Solve linear inequalities

Waldomaths applet  Solving inequalities applet

Sets of Inequalities - Regions of Graphs

Waldomaths video  Inequalities - Regions of Graphs video
Waldomaths applet  Inequalities - regions of graphs applet

Simultaneous equations

Waldomaths applet  Simultaneous equations solved algebraically - applet
Waldomaths video  Simultaneous equations 1 video
Waldomaths video  Simultaneous equations 1a video
Waldomaths video  Simultaneous equations 2 video
Waldomaths applet  Simultaneous equations solved graphically applet

Angles in circles

Waldomaths video  Circles and isosceles triangles video   Waldomaths Adobe Acrobat .pdf file
Waldomaths video  Cyclic quadrilaterals video   Waldomaths Adobe Acrobat .pdf file
Waldomaths video  Angle in a semicircle... video   Waldomaths Adobe Acrobat .pdf file
Waldomaths video  The angle at the centre ...
Waldomaths video  Angles in the same segment... video   Waldomaths Adobe Acrobat .pdf file

Properties of tangents and chords of circles

Waldomaths video  2 theorems about tangents and circles video
Waldomaths video  The alternate segment theorem video

Dimensions and formulae

external  MS Powerpoint presentation  Dimensions and formulae

Similar triangles

Waldomaths video  Similar triangles 1

Pythagoras - distance between coordinates

 

Trigonometry in right-angled triangles

Waldomaths applet  Simple trigonometry applet

Time series and moving averages

Waldomaths video  Moving averages 1 video

Cumulative frequency diagrams

Waldomaths video  Cumulative frequency diagrams 1 video
Waldomaths applet  Cumulative frequency applet

Estimating median and interquartile range

Waldomaths video  Median and quartiles video

Boxplots

Waldomaths video  Boxplots video

Link to an external webpage  Boxplots lesson

Probability - tree diagrams

Waldomaths video  Tree diagrams 1
Waldomaths applet  Tree diagrams 1 applet
Waldomaths applet  Tree diagrams 2 applet
Waldomaths applet  Tree diagrams 3 applet