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This video continues the Year 9 series on Using Units of Measurement looking at the Circumference and Perimeter of a sector. Building on the work covered in a previous video (and content from the previous years), I look at how to find the circumference of a whole circle, the arc length of a circle and how to use the information to then go on and find the perimeter of a sector. There are lots of worked examples all explained clearly with theory. There is even some humour thrown in at times too. I pride myself on the easy to understand way I present my videos and would love to hear your feedback!
This video continues the work on the Using Units of Measurement and Measurement and Geometry theme looking at Area. This video builds on the work which was covered in previous years and looks to recap how to find the area of basic shapes before moving on to look at circles, rhombi, kites and so much more. I use a number of worked examples to explain the theory in an easy to understand way - with a sprinkling of humour!
This is another video in the Year 9 series looking at Using Units of Measurement and Measurement and Geometry. Having taken a look at finding the surface area of basic prisms, I now take some time to look at the surface area for more complex prisms and pyramids. There is a great story at the start of the video about camels ... but then I return to the subject at hand; looking at how to find the surface area of a prism. There are lots of worked examples used to explain the theory in a clear and easy to understand way.
This is another video in the series looking at Using Units of Measurement and Measurement and Geometry. Building on the previous videos where we have been looking at finding the surface area for basic shapes (which then build into compound shapes), I now look finding the surface area of one of the most interesting shapes in Mathematics - the cylinder. With a practical demonstration of how the surface area is found, I look at the formula and how it is constructed. There are lots of worked examples which are explained using easy to understand (and humourous) theory.
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These are the videos which are available in each chapter. You will notice that some are free and some are for subscribers only. Making and hosting these videos costs a little bit of money. To help pay for the hosting fees I have no choice but to hide some of the videos and make them for subscribers only.