A Powerpoint to explain Two Way Tables. This powerpoint has 5 slides (Including one title and one end slide), and these contain three examples, similar to the one shown on the cover image. Designed for KS4 / GCSE. Also included is a 2-sided A4 pdf worksheet containing 10 questions, where pupils have to fill in the missing values in two way tables of varying sizes. Answers are also included.

A Powerpoint to explain Time Series and Moving Averages. This powerpoint has 7 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Factors, Multiples, HCF and LCM This powerpoint has 16 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain conversions between fractions, decimals and percentages. This powerpoint has 10 slides (Including one title and one end slide). Designed for KS4 / GCSE. Topics covered are: Converting a Fraction into a Decimal Converting a Fraction into a Percentage Converting a Decimal into a Percentage Converting a Percentage into a Decimal Converting a Terminating Decimal into a Fraction Converting a Percentage into a Fraction Some Common Conversions to Learn

A Powerpoint to explain Adding Decimals. This powerpoint has 8 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain how to write a number as a product of prime factors. This powerpoint has 9 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint looking at Upper and Lower Bounds. This powerpoint has 10 slides (Including one title and one end slide). Designed for KS4 / GCSE. This resource was revised on 11th May 2017. The new version now contains 8 examples (the original verison had a total of 6 slides, with 4 examples), showing how to find upper and lower bounds. There are also examples showing how to find the upper and lower bounds for the area of a triangle, area of a rectangle, and volume of a cuboid.

A Powerpoint to explain Surds. This powerpoint has 11 slides (Including one title and one end slide). Designed for KS4 / GCSE. Topics covered are: Surds Adding and Subtracting Surds Multiplying Surds Surd Fractions: Rationalising the Denominator

A Powerpoint to explain Squares, Cubes and Roots. This powerpoint has 18 slides (Plus one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Shaded Fractions. This powerpoint has 8 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Rounding Numbers. This powerpoint has 24 slides (Including one title and one end slide). Designed for KS4 / GCSE. Topics covered are: Rounding Numbers Rounding to the Nearest 10 Rounding to the Nearest 100 Rounding to a given number of Decimal Places Rounding to a given number of Significant Figures

A Powerpoint to explain Powers. This powerpoint has 16 slides (Including one title and one end slide). Designed for KS4 / GCSE. Topics covered are: Positive Whole Number Powers The Power of Zero Negative Powers Fractional Powers Negative Fractional Powers

A Powerpoint to explain Order of Operations in Calculations using BODMAS This powerpoint has 10 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Addition, Subtraction, Multiplication and Division using negative numbers. This powerpoint has 6 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Multiplication and division by 10, 100, 1000 etc. This powerpoint has 36 slides containing examples. The method used involves moving digits of the number in relation to the decimal point, and replaces the previous version (which is still here should people prefer this method. Updated on 15th Feb 2023, Designed for KS4 / GCSE. This covers: Multiplying by 10, 100, 1000 etc. : Whole Numbers Multiplying by 10, 100, 1000 etc. : Decimals Dividing by 10, 100, 1000 etc. : Whole Numbers Dividing by 10, 100, 1000 etc. : Decimals

A Powerpoint containing six examples of calculations involving money. This powerpoint has 8 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Long Multiplication using the Traditional Method. This powerpoint has 32 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Long Multiplication using the Grid Method. This powerpoint has 8 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain Long Division. This powerpoint has 8 slides (Including one title and one end slide). Designed for KS4 / GCSE.

A Powerpoint to explain concepts of Fractions. This powerpoint has 39 slides (Including one title and one end slide). Designed for KS4 / GCSE. Topics covered are: Equivalent Fractions and Simplifying Converting between Mixed Numbers and Improper (Top Heavy) Fractions Adding and Subtracting Fractions Finding a Fraction of an Amount Multiplying Fractions Dividing Fractions