I have 123 Math Powerpoint Lessons. These are teacher created and of high quality, informative and ready for presentation with all the timings set.  The set can be emailed for free to save the shipping cost.  A complete list of topics can be found below. A sample of one slide of one presentation is shown. 

Algebraic Fractions

Collecting Terms and Simplifying

Completing the Square

Conversion Graphs

Cubic and Reciprocal Graphs

Difference of Squares

Distance - Time Graphs

Equation and Graph of a Circle

Factorizing Algebraic Expressions

Factorizing Quadratic Expressions

Graphs of Trigonometric Functions

Inequalities as Regions on Graphs

Inequalities on a Number Line

Inequalities: Solving Linear Equations

Linear Sequences - Finding terms and rules

Midpoint of a Line Segment

Multiplying out a Double Pair of Brackets

Multiplying out a Single Pair of Brackets

Plotting Co-ordinates in all Four Quadrants

Quadratic Graphs

Rearranging Formulae

Simplifying Algebraic Fractions Containing Quadratics

Solving Equations by Trial and Improvement

Solving Quadratic Equations by Factorizing

Solving Quadratic Equations by using the Formula

Solving Simultaneous Equations by Elimination

Solving Simultaneous Equations by Substitution

Solving Simultaneous Equations

Graphically Straight Line Graphs

Transforming Graphs

Writing a Formula from Words

Averages - Finding an Estimate of the Mean

Averages - Mode, Median, Mean and Range Averages -Mean from a Frequency

Table Bar Charts

Cumulative Frequency and Box Plot Diagrams

Frequency Polygons

Frequency Tables and Grouped Frequency Tables

Histograms

Pictograms

Pie Charts

Probability: Single Events

Probability: Tree Diagrams

Probability: Listing Outcomes & Probability Space Diagrams

Scatter Diagrams

Stem and Leaf Diagrams

Stratified Sample

Time Series and Moving Averages

Two Way Tables

Types of Data

Adding Decimals

Adding Whole Numbers

Best Value for Money

Changing a Recurring Decimal into a Fraction

Compound Interest & Compound Percentage Change

Converting between Fractions, Decimals and Percentages

Estimating the Answer to a Calculation

Factors, Multiples, HCF, LCM

Fractions

Long Division

Long Multiplication - Grid Method

Money Questions

Multiplying and Dividing by 10, 100, 1000 etc Negative Numbers

Odd, Even, Prime and Triangular Numbers

Order of Operations - BEDMAS

Ordering Decimals

Percentages

Place Value

Powers

Proportion - Direct Proportion

Proportion - Inverse Proportion

Ratio

Reciprocals

Rounding Numbers

Shaded Fractions

Simple Interest

Squares, Cubes and Roots

Standard Form

Subtraction

Surds

Upper and Lower Bounds

Writing a number as a product of Prime Factors

Long Multiplication - Traditional Method

2D Shapes

3D Co-ordinates Angles: Calculating Angles

Angles: Measuring Angles Area by Counting Squares

Area of a Triangle

Area of Compound Shapes - Rectangles

Area of Quadrilaterals

Bearings

Circle Theorems

Circles - Compound Areas and Perimeters

Circles: Finding Arc Lengths and Areas of Sectors

Circles: Parts, lengths, area

Cones and Pyramids - Surface Area and Volume

Constructions

Converting between units of Length, Area and Volume

Cubes and Cuboids: Surface Area & Volume

Cylinders: Surface Area & Volume

Density, Mass and Volume

Dimensions

Drawing 3D Shapes on Isometric Paper

Locus Metric and Imperial Units - Length, Mass & Capacity

Nets of Solids

Perimeter of Rectangle and L Shape

Plans and Elevations

Pythagoras and Trigonometry in 3D

Pythagoras' Theorem

Similarity and Congruence

Speed, Distance and Time

Spheres: Surface area & Volume

Symmetry

Tessellations

Time

Transformations

Trigonometry - Non-Right angled Triangles

Trigonometry - Right angled Triangles Vectors