ফিল্ম এবং অ্যানিমেশন
Factorials are easy! This basic video lesson with show you the basics of factorials as well as some shortcuts in calculations involving factorials.
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How Many Faces, Edges And Vertices Does A Sphere Have?
Here we’ll look at how to work out the faces, edges and vertices of a sphere.
We’ll start by counting the faces, these are the flat surfaces that make the sphere. A sphere has 0 faces altogether - but it does have a curved surface.
Next we’ll work out how many edges the sphere has, which are where two faces meet. A shere has 0 edges.
Next we’ll count the corners of the sphere (the corners). No surprises, a sphere does not have any vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Velocity calculations are easy to do - you just need to know a few tricks to get your answers exact. You will learn that speed is a measurement of distance and time, and how to easily transpose to work out any speed distance time calculation.
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How Many Faces, Edges And Vertices Does A Cylinder Have?
Here we’ll look at how to work out the faces, edges and vertices of a cylinder.
We’ll start by counting the faces, these are the flat surfaces that make the cylinder. A cylinder has 2 faces altogether - 2 circular faces, as well as 1 rectangular face.
Next we’ll work out how many edges the cylinder has, which are where two faces meet. A cylinder has 2 edges.
Next we’ll count the corners of the cylinder (the corners). No surprises, a cylinder does not have any vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Percentages can be done mentally both accurately and rapidly using this cool math trick. Become a genius in no time!
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To multiply large numbers quickly we use the method of cross multiplication - a type of method used in vedic math. By following the method in this series of videos you will quickly and easily learn how to multiply any size quickly - not with lots of different tricks like the other methods, but by using one method only.
This video looks at how to multiply large numbers, four digits and over. Become a math genius - a master at numbers! Impress your teachers and get perfect grades at Math in school be working faster than your teacher can!
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Combinations and Permutations word problems.
Stuck?
Go to the youtube playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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How Many Faces, Edges And Vertices Does A Rectangular Prism Have?
Here we’ll look at how to work out the faces, edges and vertices of a rectangular prism.
We’ll start by counting the faces, these are the flat surfaces. A rectangular prism has 6 faces altogether - all rectangular in shape.
Next we’ll work out how many edges the rectangular prism has, which are where two faces meet. A rectangular proven has 12 edges.
Next we’ll count the corners of the rectangular prism (the corners). Altogether it has 8.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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How Many Faces, Edges And Vertices Does A Hexagonal Prism Have?
Here we’ll look at how to work out the faces, edges and vertices of a hexagonal prism.
We’ll start by counting the faces, these are the flat surfaces that make the shape. A hexagonal prism has 8 faces altogether - 2 hexagons and 6 rectangles.
Next we’ll work out how many edges the hexagonal prism has, which are where two faces meet. A hexagonal prism has 18 edges.
Next we’ll count the corners of the shape (the corners). A count will show there are 12 vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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This looks at how to do simple subtraction in maths.
No tricks, no fuss.
This is one of the most basic things in maths - yet as a senior level maths teacher I am astounded how many people lack this ability - and as such they struggle throughout their school years at maths.
Addition, subtraction, division and multiplication - these are the most important thing anyone should know in maths , yet a large number of people who still are yet to attain this skill!
Practice this lesson!
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This fast math trick can be used to multiply any number by 5, 25 or 125 easily.
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Decimals playlist...click below:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
Decimals are easy to multiply - just count the number of places behing the decimal place for each of the numbers you are multiplying, then add these together to get the total number of decimal places required for your answer.
For example:
1.5 (1) x 1.5 (1) = 2.25 (2) The numbers of decimal praces are shown in brackets.
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How Many Faces, Edges And Vertices Does A Triangular Prism Have?
Here we’ll look at how to work out the faces, edges and vertices of a triangular prism.
We’ll start by counting the faces, these are the flat surfaces that make the shape. A triangular prism has 5 faces altogether - 2 triangle faces, as well as 3 rectangular faces.
Next we’ll work out how many edges the triangular prism has, which are where two faces meet. It has 9 edges.
Next we’ll count the corners (the corners). A triangular prism has 6 vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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In this math lesson we explore how to increase or decrease an amount by a given percentage - through simple multiplication.
The method for doing this type of percentage problem is as follows, where we find 35 increased by 20%.
First we start with the whole amount - in this case 35. Percentages describe a number expressed as a fraction of 100, so as 35 is the whole amount it is 100% or 100/100 or 1. To take off 20% we are taking off 20/100 or 0.2 of this - so 1 - 0.2 = 0.8.
0.8 of 35 is the same as 0.8 x 35 = 28.0.
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How Many Faces, Edges And Vertices Does A Triangular Pyramid Have?
Here we’ll look at how to work out the faces, edges and vertices of a triangular pyramid.
We’ll start by counting the faces, these are the flat surfaces that make the 3D shape. A triangular pyramid has 4 faces altogether - all triangles.
Next we’ll work out how many edges the tetrahedron has, which are where two faces meet. A triangular pyramid has 6 edges.
Next we’ll count the corners of the tetrahedron (the corners). 4 altogether.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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This mental multiplication trick uses the idea of a third number - a base number - to help us multiply two numbers in your head. This series of videos first looks at multiplying numbers near 10 using base 10. The second video looks at multiplying using base 20 and 30. The third video looks at how to apply this mental multiplication trick to numbers near 50. The forth video the investigates ho to easilt mentally multiply numbers near to 100. Continue your mental math multiplication abilties here!
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How Many Faces, Edges And Vertices Does A Square Pyramid Have?
Here we’ll look at how to work out the faces, edges and vertices of a square pyramid.
We’ll start by counting the faces, these are the flat surfaces that make the pyramid. A square pyramid has 5 faces altogether - 4 triangular faces, as well as 1 rectangular face.
Next we’ll work out how many edges the pyramid has, which are where two faces meet. A square pyramid has 8 edges.
Next we’ll count the corners of the pyramid (the corners). A square pyramid has 5 vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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How Many Faces, Edges And Vertices Does A Cone Have?
Here we’ll look at how to work out the faces, edges and vertices of a cone.
We’ll start by counting the faces, these are the flat surfaces that make the cone. A cone has 1 face altogether - 1 circular base, as well as 1 curved surface.
Next we’ll work out how many edges the cone has, which are where two faces meet. A cone has 1 edge.
Next we’ll count the corners of the cone (the corners). No surprises, a cone does not have any vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Percentages can be done mentally both accurately and rapidly using this trick. Percentages made easy with the cool math trick!
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How can you multiply in your head? Mental maths is easy - using this trick to reprogram your brain to multiply quickly and easily. This lesson shows you tips on how to multiply faster than ever!
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