3Blue1Brown
Visualizing quaternions (4d numbers) with stereographic projection
How to visualize quaternions, a 4d number system, in our 3d world
3Blue1Brown
Euler's formula with introductory group theory
Euler's formula, e^{pi i} = -1, is one of the most famous expressions in math, but why on earth is this true? A few perspectives from the field of group theory can make this formula a bit more intuitive.
3Blue1Brown
Visualizing quaternions (4d numbers) with stereographic projection - Part 1 of 2
How to visualize quaternions, a 4d number system, in our 3d world
3Blue1Brown
What are quaternions, and how do you visualize them? A story of four dimensions.
How to think about this 4d number system in our 3d space.
3Blue1Brown
Euler's formula with introductory group theory - Part 1 of 4
Euler's formula, e^{pi i} = -1, is one of the most famous expressions in math, but why on earth is this true? A few perspectives from the field of group theory can make this formula a bit more intuitive.
Curated Video
Centre of Gravity: Finding the Balance Point of Irregular Objects
We use a plumb line and hook to find the centre of gravity of an irregularly shaped piece of card. A hole is punched in the card and it is suspended from the hook. A plumb line is used to let us draw the vertical line under the hole on...
Curated Video
What is the Slope of a Line?
In this video, we explore the concept of slope in mathematics, which measures the steepness of a line. Viewers learn how to calculate slope using the rise over run method, where the change in vertical position is divided by the change in...
Curated Video
Reflections
Mr. Addit explains the term reflection. He also reflects various plane shapes across the line of symmetry and examines the reflected images.
Curated Video
The Line of Symmetry
Mr. Addit explains the line of symmetry, and examines a variety of plane shapes to find lines of symmetry.
Curated Video
Nouns and Adjectives
This video entitled "Noun and Adjectives" discusses the relationship between nouns and adjectives and explains how to diagram a simple sentence.
Curated Video
Creating Stem-and-Leaf Plots: A Real-World Example
In this video, I will guide you through an explanation of a stem-and-leaf plot and give you a real world example to help you learn how to construct a stem-and-leaf plot. As a bonus, I will show you how to construct a stem-and-leaf plot...
Curated Video
GCSE Maths - Common Straight Line Equations You NEED TO KNOW #64
This video covers the how to notice simple line equations on graphs, and the common ones you need to know. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE...
Curated Video
Why I Love Y
Miss Palomine tells the student that Socrates does not like the yellow yarn his mom was going to use to knit a hat for him. Miss Palomine then talks about the differences between the uppercase -Y and lowercase -y. She and the student...
Brian McLogan
Write the Equation of a Line Through Two Points
In this video we are going to discover how to write the equation of line between two points. We will work through an easy medium and hard example. ✅ New videos on Linear Equations and Equations - • Equations and Expressions in Algebra 1...
Brian McLogan
Write the Equation of a Line Parallel Through a Point
When writing the equation of a line parallel through a point you need to first identify the slope of the line and then write the equation of the line ⭐️ Writing equations of a Line perpendicular through a point - • Write the Equation of...
Brian McLogan
Write the Equation of a Line Perpendicular Through a Point
When we want to write the equation of a line perpendicular to another through a point we need to make sure that identify the correct slope as well as the equation of a line. ⭐️ Writing equations of a Line parallel through a point - •...
Brian McLogan
Write The Equation of a Line Given the Slope and Intercept
When given the slope and x or y intercept of an equation you can write the equation of a line. In this video I will show you how ⭐️ Write the equation of a line given slope and point - ✅ New Videos on Linear Equations and Expressions - •...
Curated Video
How to Identify an Increasing Linear Function
In this video, the teacher explains how to identify an increasing linear function from a set of graphs. They define what a linear function is and rule out graphs that do not meet the criteria. Then, they explain that an increasing linear...
Curated Video
Understanding Active and Passive Portfolio Strategies
In this lesson, we explore the difference between active and passive portfolio strategies. Active investors actively research, select, and monitor stocks, making quick gains by buying and selling. Passive investors take a long-term...
Curated Video
Symmetry
Symmetry defines symmetry and lines of symmetry and separates a group of shapes into two categories: symmetrical and nonsymmetrical.
Curated Video
Identify Distribution of Data by Observing Bell Curves
Identify Distribution of Data by Observing Bell Curves identifies the distribution of data given by observing bell curves.
Curated Video
The Line of Symmetry
“The Line of Symmetry” explains lines of symmetry and examines a variety of simple shapes to find lines of symmetry.
Curated Video
Determining Non-Function Graphs Using the Vertical Line Test
In this video, the teacher explains how to use the vertical line test to determine if a graph is a function or not. The viewer is presented with four graphs and asked to identify which one is not a function. The teacher demonstrates how...
Curated Video
Using the Vertical Line Test
In this video, the teacher explains how to use the vertical line test to determine if a graph represents a function or not. They go through four examples and also show how to find a missing value in a table to make it not a function. The...