Curated Video
Proving or Disproving Rectangles in the Coordinate Plane
In this video, the teacher explains how to prove or disprove that four points in a coordinate plane make up a rectangle. They review different ways to classify quadrilaterals and then demonstrate how to prove that a shape is a...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Equation of a straight line - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Learning to Identify Linear Pairs of Angles
👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, corresponding, alternate interior and exterior....
Curated Video
Determining No Solution in a System of Linear Equations by Graphing
This video lesson teaches students how to determine if a system of two linear equations in two variables has no solution by graphing. It explains the concept of slope-intercept form, where the slope and y-intercept of an equation can be...
Curated Video
Identifying Squares: Understanding Attributes
In this video, the teacher guides students on how to identify squares by understanding their attributes. They discuss concepts such as quadrilaterals, parallel lines, right angles, and congruent sides. Through examples and visual aids,...
Curated Video
Using Properties of Parallelograms and Triangles to Solve Real-World Problems
In this video, the teacher explains how to use the properties of parallelograms and triangles to solve real-world problems. They demonstrate this by using the example of constructing a wooden gate, where they determine the lengths of...
Curated Video
Determining Parallel Lines with Proportional Triangles
In this lesson, students will learn how to determine if a fence is parallel to a river by analyzing a diagram. By measuring the sides of triangles and comparing their ratios, they can determine if the fence is parallel.
Brian McLogan
Classifying Angles Given Parallel Lines and a Transversal
👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, corresponding, alternate interior and exterior....
Curated Video
Resolving Forces: Splitting a Single Force into Perpendicular Components
This is a lecture presentation on resolving forces. The video explains how a single force can be replaced by two other forces at 90 degrees to each other or perpendicular to each other. The presentation uses real-life examples, such as a...
Brian McLogan
Given a ratio of sides and perimeter find the lengths of a triangle
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Brian McLogan
What is a proportion
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Virtually Passed
Projection Vector Proof
How much of vector a is in the direction of vector b? This video contains a formal derivation of the projection vector.
Brian McLogan
How to solve a system of equations of two perpendicular lines by graphing
👉To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Curated Video
Finding the Area of a Complex Shape
In this video, students learn how to find the area of a complex shape by using subtraction. The teacher explains the properties of a rectangle and clarifies the difference between perimeter and area. Students are guided through...
Music Matters
Using Borrowed Chords - Music Composition
Find out how to borrow chords from the parallel key as a means of adding colour to your harmony and to understand how composers use this technique. This music composition lesson presents a short piece of harmony and demonstrates ways in...
Curated Video
Parallel Lines and Transversals
In this video lesson, students will discover the many types of angles that are formed when parallel lines are cut by a transversal. Vocabulary is reviewed and explained. Visual diagrams are used to show the pattern between the eight...
Brian McLogan
How to use the medians of similar triangles to determine the missing length
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Visual Learning Systems
Using Light: Concave Mirrors
This video examines the various uses of light and the role of different types of lenses in light refraction. The way in which eyeglasses, contact lenses, and binoculars manipulate light to allow us to see better is illustrated. Other...
Curated Video
Identifying Trapezoids and Parallelograms
In this video, students will learn how to identify trapezoids and parallelograms by looking at their shared attributes. The teacher explains the concept of quadrilaterals and helps students categorize shapes into quadrilaterals and...
Brian McLogan
How to determine the scale factor of a dilation for enlargement
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Let's Tute
Sum Of the Measures of Angles in a Triangle is 180 Degree
This video covers All About 'Lines & Angles' Such as - Introduction to Lines & Angles - Types of Angles - Theorems
Math Fortress
Calculus III: The Cross Product (Level 1 of 9)
This video introduces the third way of multiplying vectors called the cross product also known as the vector product and sometimes refereed to as the area product. This video will cover the geometric definition of the cross product.
Brian McLogan
Writing a Proof for Congruent Triangles Using AAS
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Curated Video
Determining the Number of Solutions in Linear Systems
In this video lesson, the teacher explains how to determine the number of solutions when solving linear systems of equations. The lesson covers three different methods: graphing, solving algebraically, and considering the system in...