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 · D1 · S1

Edexcel A level
C1 · C2 · C3 · C4
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 C

Foreword

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

Primes, factors

Waldomaths applet Factors of numbers
Link to an external webpageAll the factors of a number
Emaths pageMultiples, factors and primes
Waldomaths applet Prime Numbers 1
Waldomaths video *Prime Numbers 1
Waldomaths video Prime Numbers 2
Waldomaths video *Number Factors
Waldomaths video Prime Factors 1

Reciprocals

Emaths page Reciprocal
Waldomaths video *Reciprocals 1

Multiplying by Numbers between 0 and 1

 

Dividing by decimals

 

Estimates of Calculations

Emaths page Estimates of Calculations

One Number as a Percentage of Another

 

Percentage changes

Emaths page Percentage Increase and Decrease

Using a Calculator Efficiently

 

Fraction Calculations

Waldomaths applet Fraction arithmetic

Dividing in a given ratio

 

Ratios and Proportions

 

Laws of Indices

Waldomaths video *Indices 1 - Multiplying
Waldomaths video *Indices 2 - Dividing
Waldomaths video *Indices 3 - Powers of powers Waldomaths video *Indices 4 - Zero and Negative Powers

Upper and Lower Bounds

Waldomaths video *Lower and Upper Bounds 1
Emaths page Upper and Lower Bounds

Expanding Brackets and Simplifying

 

Linear Equations

Waldomaths applet Equations 1
Waldomaths video Equations 1
Waldomaths video Equations 2

Trial and Improvement

Waldomaths video *Trial and Improvement 1
Emaths page Trial and Improvement

Changing the Subject of a Formula

 

Inequalities and Solutions on a Number Line

Emaths page Representing inequalities on number lines

Multiplying brackets

Emaths page 1 bracket
Emaths page 2 brackets

nth term of a sequence

Emaths page Finding the nth term of a sequence
Waldomaths applet Linear sequences (nth term)
Waldomaths video *nth Term of a Linear Sequence

Plotting Points and Drawing Graphs

 

Gradients of Straight Line Graphs

Waldomaths video *Straight Line Graphs 1 - Gradients

Areas and Perimeters of Simple Shapes

Emaths page Circles areas and perimeters

Volumes and Surface Areas of Simple Shapes, including Prisms

 

Translations

Waldomaths video *Translations 1
Waldomaths applet Translations
Emaths page Translating shapes

Rotations

Waldomaths video *Rotations 1
Waldomaths Adobe Acrobat .pdf file Rotations
Waldomaths applet Rotations

Reflections

Waldomaths video Reflections 1
Waldomaths applet Reflections

Constructions

Waldomaths video *Bisecting Angles
Waldomaths video *Perpendicular Bisectors
Waldomaths video *3 More Constructions

Loci

Waldomaths video *Loci 1
Waldomaths video *Loci 2

Pythagoras

Emaths page Pythagoras
Waldomaths applet Pythagoras Theorem

Estimating the Mean of Grouped Data

Waldomaths videoEstimating the Mean of Grouped Data
Emaths page Mean of grouped data

Finding the Modal Class and Median Class of Grouped Data

 

Scatter Diagrams and Line-of-best-fit

Waldomaths applet Scatter Diagrams

Probability - Relative Frequency