JFR Science
VSEPR Theory: Determining the 3D Shape of Molecules
Ready to take molecules out of the two dimensional world and into 3-D? Chemistry scholars explore molecular geometry through a well-written video from the JFR Science series. Topics include the effects of bonding and non-bonding...
CK-12 Foundation
Area of Composite Shapes: Lesson
To find the whole, add and subtract the pieces. A portion of a massive geometry playlist shows how to approach finding the area of a composite figure. The resource works with a couple different composite shapes to find their areas.
Curated OER
How Do You Find the Perimeter of a Shape?
Perimeter, area. Area, perimeter. Which is which? Perimeter is the distance around the edge of the shape. So all you have to do is add up the values.
Curated OER
How Do You Find the Perimeter of a Shape?
Perimeter, area. Area, perimeter. Which is which? Perimeter is the distance around the edge of the shape. So all you have to do is add up the values.
National Science Foundation
Science of NFL Football: Geometric Shapes
Ever wonder why a football has such an unsual shape? Find out with this video from the Science of Football colelction that examines how the geometric properties of a football make it perfectly suited for being thrown accurately over...
Socratica
Welcome to Geometry
Geometry welcomes you. A short video in the Socratica Geometry playlist provides an overview of geometry. It explains some concepts and gives a brief history of geometry.
Corbett Maths
Area of a Shape on a Grid
What does a grid have to do with area? Well, just about everything! Learners view composite shapes on a grid and watch as the video instructor finds their areas. The examples use shapes composed of rectangles and triangles. Scholars...
TED-Ed
Why Do Honeybees Love Hexagons?
Float like a butterfly, think like a bee! Build a huge hive, hexagonally! Find out the reason that hexagons are the most efficient storage shape for the honeybees' honeycombs. This neat little video would be a sweet addition to...
Berkeley University of California
Molecular Structure and Geometry
While physics is known for the math connections, chemistry is know for geometric connections. The 11th video in the series discusses how to determine the molecular structure of bonded atoms in a 3-D plane using steric numbers.
Mathispower4u
Applications from Geometry Using Polynomials
Bridge the gap between algebra and geometry. Scholars apply geometric knowledge to write polynomial expressions for the area of a figure. They watch as the narrator works through two examples to make the concept clear.
TED-Ed
The Complex Geometry of Islamic Design
Discover the prevalence of geometric design in Islamic culture with this wonderful informational video. It begins with an overview of the complexity of designs dating back to the eighth century during early Islam, and then...
Curated OER
What Does Congruent Mean?
Two figures are congruent if they have the same size and shape. Line segments can also be congruent if they are of the same length. Vertical angles created by intersecting lines are always congruent. Polygons that have matching angles...
Curated OER
Types of Polygons - Geometry Help
If it has three sides it's a triangle! Learn about the different types of polygons and how they are classified by the number of sides they have. This clip clearly defines each type of polygon, but fails to show examples.
Howard Hughes Medical Institute
Viral Geometry and Structural Diversity
Viruses might be deadly, but they appear beautiful when analyzed geometrically. View the shapes, colors, and structures of a few viruses. The repeating structures and genes help to identify them along with genomic information.
Corbett Maths
Coordinates and Shapes
Where is the point? Given three points on the coordinate plane, the video walks through the steps to find the location of the fourth point to create a given special quadrilateral. The narrator first determines the coordinates of the...
Curated OER
What Does Congruent Mean?
Two figures are congruent if they have the same size and shape. Line segments can also be congruent if they are of the same length. Vertical angles created by intersecting lines are always congruent. Polygons that have matching angles...
Khan Academy
SAT Prep: Test 3 Section 2 Part 2
Problem number 6 on the practice SAT involves solving for a distance on a line, which Sal does in about 2 minutes. His method of efficiently (and correctly) solving problems is an excellent model for students who tend to panic at the...
CK-12 Foundation
Congruent Triangles: Lesson
Given two congruent triangles, the resource provides the definition of congruent triangles and marks the corresponding parts. The portion of a basic geometry playlist shows the triangles are congruent by moving one on top of the other...
CK-12 Foundation
Three Dimensions in Two Dimensions: Lesson
Slice up solids. A portion of a geometry playlist introduces two conventional ways to visualize 3-D figures in 2-D. The resource defines cross-sections and nets and provides examples of both.
Bozeman Science
Why Are Cells Small
Does cell size have something to do with magic? No, but their size has everything to do with geometry. The video explores an analysis of two cylinder's volumes, showing how surface area affects volume. Learners see how in biology,...
CK-12 Foundation
Tessellations: Lesson
Build a pattern by rotating a figure around one of its vertices. A segment of an extensive playlist on basic geometry introduces the concept of tessellations through regular tessellations. The video shows how to create tessellations and...
Curated OER
What is a Point?
A point is an exact location in space. This tutorial defines the concept of a point as it occurs in graphing, geometry, and algebra. A variety of examples are used to show how important points are and where they'll be seen in the world...
Curated OER
How Do You Classify Quadrilaterals?
A rectangle, a rhombus, a square, a trapezoid, and a parallelogram, are these quadrilaterals? What are the criteria that make and shape a quadrilateral? It has something to do with parallel sides, congruent sides, and congruent angles....
Curated OER
What is a Pyramid?
One base, triangular sides, and defined polygons are all parts of what make up a pyramid. Check out this video and see the instructor draw pictures of a variety of pyramids. She identifies the specific parts and gives them names based on...
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