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Have you woken up screaming in the middle of the night as you realise you don't understand Translations? Well, worry no more. This video will allow you to have sleep-filled nights. I take the time to look at the cartesian plane and how it can be used to express coordinates. This helps us understand the form of a translation vector. Knowing how to read a translation vector I give some examples of how to do it with shapes and then coordinates. So much fun! But it doesn't stop there. We look at how to find translation vectors from two shapes and two coordinates. And I even manage to squeeze some Beauty and the Beast into the video! Oh ... and a crab which talks French. What more do you want LOL!
As Kylie Minogue said it so well ... "I'm spinning around" ... which describes the video perfectly. It's dealing with Rotation! This video continues the series I have been working on relating to Transformations of simple shapes. I have already dealt with Reflections and Translations. This video looks at how to rotate simple shapes. I look at a number of examples of what is required to be able to rotate. I show how to use a simple piece of paper to rotate something before moving onto other more complex shapes. A trip through Rotational Symmetry and we head into the wonderful world of GeoGebra. It's a great piece of software and can be found here: https://www.geogebra.org/geometry?lang=en-AU So much fun was had in making this video. I hope you enjoy it!
This video takes a look at what it means to be congruent. It does this by using a number of different shapes and explains that congruence means the two shapes are identical in size. This does not mean they are identical in orientation! Barry is trying to trick you again. There are examples used and tips and tricks used to show how to do the best in lessons and exams.
This video continues the work we have been doing with Geometric Reasoning. Having looked at Congruent Shapes we now look at Congruent Triangles. There are a number of ways we can describe congruent triangles. There is are the SSS, SAS, AAS and RHS rules which relates sides and angles to the congruence. I take a look at the rules and how we apply them and finish with some awesome examples from the Cambridge Essentials textbook series.
This video continues to look at the topics which are included in Geometric Reasoning as part of the Year 8 course. Having taken some time to look at congruence, I now move onto the ideas of similarity. I look at the difference between an original shape and its image. I then look at how we can look at side lengths and angles to visually see if two shapes are similar. The ideas of scale factor enlargement are then covered before using some examples to show how the theory is applied.
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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.