Hi, what do you want to do?
Curated Video
Determining which side
Pupil outcome: I can identify which side length is missing and use the appropriate form of Pythagoras' theorem to calculate it. Key learning points: - The hypotenuse is the side opposite the right angle. - It does not matter which of the...
Curated Video
Checking and securing understanding of reflection
Pupil outcome: I can describe a reflection and perform a given reflection on an object. Key learning points: - The line of reflection can be vertical/horizontal/diagonal. - The line of reflection may go through part of the object. - The...
Curated Video
Sine and cosine ratios
Pupil outcome: I can derive the sine and cosine ratios from the sides of a right-angled triangle. Key learning points: - When the hypotenuse has a length of one, the opposite side has length sin(θ) - When the hypotenuse has a length of...
Curated Video
Surface area of cuboids
Pupil outcome: I can appreciate the concept of surface area and find the surface area of cuboids. Key learning points: - The surface area of a 3D shape is the sum of the area of all the faces. - The net of a cuboid can help find the...
Curated Video
Unit Circle 4 - Evaluating Trig Functions
How to find exact value of trig functions with the unit circle. In the last of 4 videos, we look at how we can use our newly derived unit circle to quickly evaluate trigonometric functions. We will learn how to evaluate all six...
Curated Video
Solving Algebraic Equations.
Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...
Curated Video
7 Steps to Solve a Linear Equation | Grade 8 Math | 8.EE.C.7 💗
In this math video we will learn the 7 steps to solve a linear equation. We will begin by reviewing each step for understanding. Then, we will perform each of the 7 steps by solving a linear equation. An exemplar problem and solution are...
Astrum
Ceres Discoveries that Shocked NASA
NASA's Dawn mission finished in 2017. What did it discover while in orbit around Ceres?
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
The Tactical Masterpiece of Cannae: Hannibal's Triumph and Rome's Devastating Defeat
This video provides a detailed and vivid account of the Battle of Cannae, a significant military engagement between the Roman Republic and Carthaginian forces led by Hannibal in 216 BC. The transcript walks the viewer through the...
Brian McLogan
Quick Trigonometric Functions Review
In this video we are going to explore trigonometric functions and how we can use them to find the missing sides of right triangles.
⭐️ Quick Special Right Triangles Review -...
⭐️ Quick Special Right Triangles Review -...
Curated Video
Trigonometry and the Unit Circle
This video will explain trigonometric functions and how to use them with the unit circle.
Curated Video
Additive Area Word Problems
The video “Additive Area Word Problems” demonstrates how to decompose an irregular shape into rectangles to find total areas.
Catalyst University
Carbohydrate Structure Beta vs Alpha Configuration
Carbohydrate Structure Beta vs Alpha Configuration
Curated Video
Finding the Surface Area of a Complex Shape Using Multiplication
In this lesson, students will learn how to find the surface area of a complex shape, specifically a swimming pool, by using multiplication. They will review the properties of a rectangle and apply their knowledge to find missing...
Brian McLogan
Evaluating the difference of two angles for the cosine function
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
NASA
The Invisible Network: 09. Lobes | NASA's The Invisible Network Podcast
Spacecraft near Earth have long relied on GPS signals for navigation, just as users on the ground might use their phones to navigate the highways. Farther away, navigation — and the math behind it — becomes a great deal more challenging.
Brian McLogan
Given a point find the six trigonometric functions
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Proving the Pythagorean Theorem Using Similarity
In this lesson, students will learn how to prove the Pythagorean theorem using similarity. By investigating and following a series of steps, they will discover that by cutting a right triangle and drawing altitudes, they can create...
Brian McLogan
Evaluating the composition of Functions using Right Triangles
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Zach Star
These changed how I think about higher dimensions
These changed how I think about higher dimensions
Brian McLogan
Set up your triangle three different ways to evaluate six trig functions
👉 Learn how to determine the quadrant given the constraint. The plane is divided into four equal parts called the quadrants with the region between the positive x-axis and the positive y-axis called the 1st quadrant having angles 0 to 90...
Let's Tute
Perimeter
n this video we will learn how to recognize a quadrilateral as trapezium & kite based on their properties