Instructional Video4:12
Curated Video

Predicting Three-Dimensional Results of Rotating Simple Figures

K - 5th
In this video, students will learn how to predict the three-dimensional shape that results from rotating a two-dimensional figure. By analyzing the effects of rotations and understanding the concept of an axis of rotation, they will be...
Instructional Video3:49
Curated Video

Dividing Unit Fractions by Whole Numbers Using a Model

K - 5th
In this video, students will learn how to divide unit fractions by whole numbers using a model. The teacher explains the concept of unit fractions and whole numbers, and then demonstrates how to divide fractions by drawing a rectangular...
Instructional Video3:27
Curated Video

Finding the Area of a Rectangle Using Multiplication and Addition

K - 5th
This video lesson teaches students how to find the area of a rectangle using multiplication and addition. It provides clear explanations and examples, guiding students through the process step by step.
Instructional Video5:14
Curated Video

Finding the Surface Area of a Complex Shape Using Multiplication

K - 5th
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...
Instructional Video5:33
Curated Video

Finding Length of Unknown Sides: Area and Perimeter of Rectangles

K - 5th
In this video, we learn how to find the area and perimeter of a rectangle when the length of every side is not known. The teacher explains the formulas for calculating perimeter and area, and demonstrates how to use these formulas to...
Instructional Video5:28
Curated Video

Generating Scale Drawings Using Fractions and Decimals

K - 5th
In this lesson, students will learn how architects create scale drawings using fractions and decimals. They will understand the concept of a scale factor and how it is used to enlarge or reduce dimensions.
Instructional Video10:05
Product Design Online

Learn Fusion 360 in 30 Days - Day #5: 3D Model an Ice Cube Tray

Higher Ed
Change the Document Units to Inches (optional) I used imperial units in this tutorial because that happened to be the ice cube tray dimensions I found online. You can still follow along with millimeters if that's what you prefer....
Instructional Video5:13
Curated Video

Finding the Perimeter of a Rectangle

K - 5th
In this video, the teacher explains how to find the perimeter of a rectangle using an algorithm. They clarify the difference between area and perimeter, introduce the concept of variables, and demonstrate how to use the formula for...
Instructional Video3:14
Curated Video

Finding the Perimeter of Squares and Rectangles

K - 5th
In this video lesson, students will learn how to find the perimeter of a square or rectangle by adding the side lengths. The teacher explains the concept clearly and provides examples to illustrate the process.
Instructional Video7:38
Curated Video

Counting Fractions of One Whole Using Fraction Strips

K - 5th
This video provides examples of partitioning different shapes into equal shares and counting the fractions. It emphasizes the importance of equal-sized shares when determining fractions and demonstrates how to write fractions using...
Instructional Video3:23
Soliloquy

Is the Shape of Colorado a Boring Rectangle?

12th - Higher Ed
If you look at a map of America youÕll see a couple of states that are rectangles. But if we take a closer look these states are not rectangles at all. The curvature of the Earth and errors present in surveys of the states have led to...
Instructional Video2:42
The Kiboomers

Shapes Song for Kids | Square Diamond Star Rectangle | The Kiboomers

Pre-K - K
The Kiboomers! Listen to our ‘Shapes Song' video and sing along with the kids! "SHAPES SONG" Squares! A square is shaped like a box It's made with four straight lines There are squares everywhere Are there any that you can find? A square...
Instructional Video3:56
Curated Video

Comparing Fractional Pieces with Different Shapes

K - 5th
This video explains how fractional pieces that have different shapes can still be equivalent. By using cake models, the teacher demonstrates that one fourth of a rectangle and one fourth of a triangle are both equal to one fourth of a...
Instructional Video4:25
Curated Video

Finding the Perimeter of a Rectangle: Applying the Formula

K - 5th
In this video, the teacher explains how to find the perimeter of a rectangle by applying a formula. They review the concept of a rectangle, its length and width, and the definition of perimeter. Using examples, the teacher demonstrates...
Instructional Video4:30
Curated Video

Dividing Fractions by Whole Numbers

K - 5th
In this video, the teacher explains how to divide a fraction by a whole number by thinking about equal groups. Using the example of dividing apples, the teacher demonstrates that dividing fractions by whole numbers requires understanding...
Instructional Video10:14
Cerebellum

Geometry, Perimeter and Area

9th - 12th
This video covers exam strategy, Geometry, Perimeter, Area, Angles, Circles. This is part 14 from the series 'Introduction to the Math Section of the SAT'.
Instructional Video5:37
Brian McLogan

How do we find the surface area of a triangular prism

12th - Higher Ed
👉 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...
Instructional Video4:37
Virtually Passed

Second Moment of Area Example 1

Higher Ed
To find the second moment of area about the x axis use Ix = /int y^2 dA To find the second moment of area about the y axis use Iy = /int x^2 dA In this video I solve this problem using the double integral method (which is more robust)....
Instructional Video8:14
Let's Tute

Distance Formula & Pythagorean Theorem

9th - Higher Ed
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.
Instructional Video5:06
Curated Video

Describing Cross-Sections of a Right Rectangular Pyramid

K - 5th
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...
Instructional Video3:06
Curated Video

Finding the Total Number of Same Size Squares in a Rectangle

K - 5th
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...
Instructional Video7:01
Virtually Passed

Second Moment of Area Example 4 (I beam)

Higher Ed
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...
Instructional Video2:55
Curated Video

Determining Unknown Ordered Pairs

K - 5th
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...
Instructional Video2:23
Curated Video

Counting Unit Fractions Using Equal Shares

K - 5th
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...