Instructional Video4:44
Curated Video

Law of Cosines (SSS AND SAS)

6th - Higher Ed
How do you use the Law of Cosines to find sides (SAS) and find angles (SSS)? In this video, we use the Law of Cosines to find missing sides and angles in oblique triangles.
Instructional Video8:56
Curated Video

Contrapositive of the Pythagorean Theorem

6th - Higher Ed
We all know the Pythagorean Theorem, but what can we conclude if a^2 + b^2 is NOT equal to c^2?
Instructional Video4:29
Wonderscape

Finding the Perimeter of a Triangle: Simple Steps and Applications

K - 5th
To determine the perimeter of a triangle, you simply add the lengths of its three sides. Whether it’s a scalene triangle with different side lengths, an isosceles triangle with two equal sides, or an equilateral triangle where all sides...
Instructional Video2:47
Wonderscape

Understanding Triangles: Types, Properties, and History

K - 5th
Triangles have unique properties that define their shape, sides, and angles. They can be categorized based on their sides: scalene (all sides different), isosceles (two sides equal), and equilateral (all sides equal). Throughout history,...
Instructional Video4:59
Curated Video

Dimensions of Similar Triangles | 8.G.A.4

9th - 12th
In this math video we will determine the correct dimensions of similar triangles. We will begin by reviewing the definition of similar figures. Similar figures have corresponding angles that are congruent and corresponding sides that are...
Instructional Video11:31
Brian McLogan

Quick Trigonometric Functions Review

12th - Higher Ed
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 -...
Instructional Video7:19
Brian McLogan

Math Trick To Know if NO Triangle

12th - Higher Ed
In this video we will explore my number one way that I like to be able to determine if we are working no triangle on the ambiguous case for oblique triangles<br/>
Instructional Video4:19
Curated Video

Classifying Triangles

K - 8th
Classifying Triangles explores the six types of triangles by defining the triangle types and classifying triangles by side length and angle measurement.
Instructional Video6:24
Curated Video

Law of Sines and Cosines

K - 8th
This video will discuss examples of application of sine and cosine laws.
Instructional Video2:41
Curated Video

Perimeters of Shapes

K - 8th
A video entitled "Perimeters of Shapes" uses vertex coordinates to find the perimeters of shapes.
Instructional Video2:30
Curated Video

Draw a rectangle and a square

K - 8th
Draw a rectangle and a square
Instructional Video2:40
Curated Video

Finding Acute Angles in Right Triangles Using Inverse Tangent Function

K - 5th
In this video, the teacher explains how to find the measure of an acute angle in a right triangle when only the side lengths are known. They introduce the concept of trigonometric ratios (sine, cosine, and tangent) and explain how to use...
Instructional Video5:48
Curated Video

Graphing Square Root Functions with Transformations

K - 5th
In this video, the teacher explains how to graph square root functions by using transformations. They review the concept of square roots and discuss the different types of transformations that can affect the graph of a function. The...
Instructional Video3:33
Curated Video

Finding Acute Angle Measures in Right Triangles using Inverse Sine Function

K - 5th
In this video, you will learn how to find the measure of an acute angle in a right triangle using the inverse sine function. The video explains the ratios of side lengths for the trigonometric functions and introduces the concept of...
Instructional Video2:38
Curated Video

Finding Acute Angle Measures in Right Triangles Using Inverse Cosine

K - 5th
This video explains how to find the measure of an acute angle in a right triangle when only the side lengths are known. It introduces the concept of inverse trigonometric functions, specifically the inverse cosine function, to determine...
Instructional Video4:55
Curated Video

Finding Volume of Rectangular Prisms with Fractional Edge Lengths Using Unit Cubes

K - 5th
In this video, students will learn how to find the volume of a rectangular prism with fractional edge lengths by using the concept of unit cubes. The video explains the key concepts of volume and fraction addition, and provides...
Instructional Video4:46
Curated Video

Understanding Square Roots and Placing them on a Number Line

K - 5th
In this lesson, students will learn about square roots and how to place them between two integers on a number line. They will understand that numbers that are not perfect squares still have square roots, and they will be able to estimate...
Instructional Video4:54
Curated Video

Finding Volume of Composite Figures: Additive Property of Volume

K - 5th
In this video, the concept of volume and its additivity are explained through the example of a composite three-dimensional figure made up of two rectangular prisms. The process of finding the volume by chopping the figure into manageable...
Instructional Video3:16
Curated Video

Modeling Quadratic Functions: Graphs and Equations

K - 5th
In this lesson, mathematicians will learn how to model quadratic functions by drawing graphs and writing equations. They will understand the concept of squaring a number and how it relates to the area of a square. By exploring the...
Instructional Video4:16
Curated Video

Introduction to Inverse Trigonometric Functions

K - 5th
This video explains how to use inverse trigonometric functions to find angle measures in right triangles. It covers the definitions and properties of inverse trig functions and demonstrates their application through example problems.
Instructional Video5:45
Curated Video

Finding Dimensions of Figures Formed by Removing Squares

K - 5th
In this video, students learn how to find the dimensions of a figure formed when removing a smaller square from a larger square. The teacher explains the concept of polynomial identities and demonstrates how to use them to find the...
Instructional Video3:49
Brian McLogan

Solve with changing area using related rates

12th - Higher Ed
πŸ‘‰ Learn how to take the derivative of a function. Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the...
Instructional Video6:48
Curated Video

Exploring Volumes: Cube and Sphere Equivalency

K - 5th
In this video, the teacher explains the relationship between the volume of a cube and the volume of a sphere. They demonstrate how to calculate the volume of a sphere using the formula pi r cubed, and then show how to find the radius of...
Instructional Video6:30
Curated Video

Apply the Area of Squares Proof to determine if a triangle is a right triangle

K - 5th
In this lesson you will learn how to determine if a triangle is a right triangle by applying the Area of Squares Proof.