In this video, students learn how to describe the cross-sections of a right rectangular pyramid by slicing at different angles. They are introduced to the concept of cross-sections and how they result from cutting a 3-dimensional shape...

In this online video we will learn how to find the Area of triangle in Coordinate Geometry and simple trick to remember the formula quickly.

In this video, students will learn how to find the total number of same-sized squares in a rectangle by dividing it into rows and columns. The video demonstrates different methods to count the squares, either by counting each square...

Here I calculate the second moment of area (moment of inertia) for an I beam. The easiest way to do this is to find the moment of inertia of each of the rectangles about the I beams centroid (note you'll have to use the parallel axis...

In this video, the teacher explains how to determine the location of an unknown ordered pair by using characteristics of polygons. They review the X and Y axes and the importance of understanding the rotation along each axis. The teacher...

This lesson helps students develop a solid foundation in understanding fractions and their relationship to whole numbers. By visually dividing the shapes into equal parts and shading the appropriate fractions, students will gain a clear...

👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...

It's a Finger Family Nursery Rhyme Collection! Sing along to your favorite and best finger family nursery rhymes, including shapes, fruit, animals, and food.

In this lesson, students will learn how to represent products as areas using a multiplication table. They will understand that the product of two factors can be found by matching the row and column of the multiplication table.

What is the surface area of a given rectangular prism? <br/>
Area of Prisms, Part 3

Six String Sally sings about shapes as the children learn how to make shapes with modeling clay. This is part 2 from the series 'Jibbersboosh: Shapes and Surprises'.

In this video, the teacher explains how to describe fractions of a rectangle by counting unit fractions. They use examples of rectangles partitioned into halves, thirds, and fourths to demonstrate how to count the unit fractions that are...

Extend Faces in Extrude Dialog

The Extend Faces (formerly Chain Faces) was originally on the right-hand side of the dialog. You will find that they have swapped the two icons. Be sure to select Extend Faces on the left-hand...

In this video, the teacher explains how to partition a rectangle using same-sized squares. The concept of overlap and coverage is introduced, and students are guided through examples of counting the squares needed to cover different...

👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the...

👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....

Change the Document Units to Inches (optional)

I used imperial units in this tutorial because that happened to be the doorstop dimensions I found online. You can still follow along with millimeters if that's what you prefer....

In this video, we will learn how to create circles and ellipses.<br/>
• Code a circle and view it in <br/>the browser
• Fix the problem with viewing only one<br/> quarter of the circle
• Code<br/> an ellipse and view it correctly

Visual Style set to Shaded (optional)

You may notice the appearance of the handlebar grip looks a little different. That's because my Visual Style setting was set to the "Shaded" option. This setting is simply visual and does...

In this video, the teacher explains how to find the area of a triangle using the coordinates of its vertices. They break down the triangle into three trapeziums and provide a formula for finding the area. They also provide a helpful...

👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the...

👉 Learn how to find the volume and the surface area of a prism. A prism is a 3-dimensional object having congruent polygons as its bases and the bases are joined by a set of parallelograms. A prism derives its name from the shape of its...

In this video, the teacher demonstrates a step-by-step approach to solving word problems using a bar model. The students are encouraged to chunk the information in the problem and draw a visual representation to make it easier to...

This video lesson teaches students how to find the area of a polygon by multiplying the length and width. It explains the concept of area and reviews the use of arrays for multiplication. The video also emphasizes the importance of not...