Volume |
Calculating the volume of any prism |
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In this lesson we will learn what a prism is and the meaning of the term cross sectional area (C/S area). Rob uses different 3 Dimensional cakes and shapes to teach this lesson in a unique and fun way. We will also learn the formula for calculating the volume of any prism and all of the different shapes that are prisms. This lesson will make finding the volume of most shapes very easy. But again this lesson was just an excuse for Rob to eat his favorite cakes. |
Volume of a cylinder practice question |
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This is a typical exam question that you could get on the volume of a cylinder.
The question covered in this lesson is, calculate the volume of this hollow cylinder which is 2cm thick and 20cm high.
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Volume of a square based pyramid |
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In this lesson Rob takes you to the great pyramids of Egypt where you will learn how to calculate the volume of a square based pyramid. You will also learn how to complete more complicated questions which will require calculating lengths using 3 dimensional Pythagoras.
The question covered in this lesson is, calculate the volume of the square based pyramid of Giza in Egypt.
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Right-angled Trigonometry |
Finding an angle |
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In this lesson we will learn how to calculate any angle in a right angled triangle using trigonometry. Rob takes you to the famous leaning tower of Pisa in Italy where you will calculate the angle of the leaning tower of Pisa using trigonometry. You will also learn how to use your calculator in these types of questions and how to use formula triangles to make this lesson even easier. You must be able to correctly label a triangle in trigonometry for you try this lesson. If not then watch the following lesson: How to label the triangle.
The question covered in this lesson is to calculate the missing angle $\ominus $
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Angles on Parallel Lines |
Alternate angles on parallel lines |
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In this lesson we will learn how to find angles on parallel lines using the rule of alternate angles and you will learn how to gain full marks when answering these types of questions. This lesson has specially edited using special software so that there is a section in the middle of each example where the alternate angles and the lines that make those angles are highlighted in bright red. This makes them stand out so that you can easily see where they were hiding amongst all of the other angles and lines. Because of the way this lesson is edited you will find this lesson very easy to learn.
The questions covered in this lesson are i) find angle $x$, give a reason for your answer.
ii) find angle $x$, give a reason for your answer
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Angles |
Finding angles in a triangle |
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In this lesson you will learn what the angles in a triangle add up too and how to calculate missing angles in a triangle. Rob starts this lesson by showing you a very cool exercise that proves how many degrees there are in a triangle. You can also do this yourself at home.
The questions covered in this lesson are i) find angle $x$, give a reason for your answer
ii) find angle $x$, give a reason for your answer
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3D Right-angled Trigonometry (Higher Only) |
3D Trigonometry in a Pyramid |
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In this lesson Rob travels to Egypt where he will teach you how to calculate angles inside the great Pyramid of Giza. Rob also uses real 3D models to help you visualise the 2D triangles inside the pyramid that you will need in order to solve these 3D problems.
You must be able to calculate angles using Trigonometry before trying this lesson. If not then watch the following lessons: Finding an angle.
The question that is covered in this lesson is, Calculate the angle AEC inside the great pyramid of Egypt.
The pyramid has a square base.
AE=BE=CE=DE=186m
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3D Phythagoras (Higher Only) |
3D Pythagoras in a pyramid |
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In this lesson Rob travels to Egypt where he will teach you how to calculate the actual height of the great Pyramid of Giza. Rob also uses real 3D models to help you visualise the 2D triangles inside the pyramid that you will need in order to solve these 3D problems.
You must be able to calculate lengths using Pythagoras before trying this lesson. If not then watch the following lessons: Pythagoras theorem finding the longest side and/or Pythagoras theorem finding the shorter side.
The question that is covered in this lesson is, Calculate the height of the great pyramid of Egypt. ABCD is a square. AE=BE=CE=DE=186m
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