Brian McLogan
What is the chord of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Astrum
Why was Betelgeuse dimming? New data from Hubble
Betelgeuse, Betelgeuse, Betelgeuse. Why were you dimming? Scientists may have finally come up with the answer thanks to data from Hubble.
Brian McLogan
What is the relationship of the product of two chords that intersect inside of a circle
Learn how to solve problems with chords. A chord is a line that has its two endpoints on the circle. A chord passing through the center of the circle is refered to as the diameter of the circle. A chord divides the circle into two...
Visual Learning Systems
Exploring the Digestive and Excretory Systems: Digestion in the Body
This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...
Curated Video
Orders of Magnitude in Biology: A Convenient Way to Express Small and Large Numbers.
This video is a lecture presentation on the use of orders of magnitude in biology. The presenter explains how to express very small numbers and very large numbers conveniently, making it easier to use those numbers in calculations. The...
Curated Video
KS2 Primary Maths Age 9-13 - Area of Shapes: - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Let's Tute
Areas Related to a Circle: Learning through the Circus
Areas Related to a Circle part 1/2: In this video, the teacher uses the concept of a circus to explain different formulas related to circles. They cover topics such as circumference, area, and sector, and show how to derive formulas from...
Visual Learning Systems
Understanding Circumference of Circles
This video explains how to calculate the circumference of a circle using both the diameter and the radius. It introduces the concept of π as a ratio that relates the circumference to the diameter. This video is part of the 8-part series,...
Catalyst University
Geometry | Volume of a Sphere & Hemisphere
In this video, we calculate the volume of a sphere and hemisphere [with examples].
Brian McLogan
Find the volume of a sphere given the circumference
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is...
Brian McLogan
Learn how to determine the volume of a sphere
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is...
Brian McLogan
Learn how to find the composition area of a figure
👉 Learn how to find the area and perimeter of composite shapes. A composite shape is a shape that is composed of different shapes. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Brian McLogan
First intro to right circular cylinders in junior or high school geometry
👉 Learn how to find the volume and the surface area of a cylinder. A cylinder is a 3-dimensional object having two circular bases and a round surface joining the bases. The vertical distance between the circular bases of a cylinder is...
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a cylinder
What is the formula to calculate the volume of a cylinder? Given the radius or diameter and height, how do you calculate the volume of a cylinder? Cylinders, Cones and Spheres, Part 3
Brian McLogan
Finding the radius when given the circumference
👉 Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
FuseSchool
Surface Area of a Cylinder
Surface Area of a Cylinder | Maths | The Fuse School Learn how to work out the surface area of a cylinder in this Maths video from The Fuse School. As part of the Mensuration topic.
KnowMo
Area of Circles: Formula and Calculations
This video is a tutorial on how to calculate the area of circles using the formula πR². The presenter explains the concept of area and how it is dependent on the radius of a circle. The formula is derived through a breakdown of a circle...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circle Problem - 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...
Visual Learning Systems
Calculating the Area of a Circle
In this video, the teacher explains how to determine the area of two pizzas using the formula for the area of a circle. This video is part of the 8-part series, Circles.
Catalyst University
Geometry | Volume of a Cylinder
In this video, we calculate the volume of a cylinder [with example].
Flipping Physics
Introductory Arc Length Problem - Gum on a Bike Tire
How far does a piece of gum stuck to the outside of a 67 cm diameter wheel travel while the wheel rotates through 149°? A conversion from revolutions to degrees is performed.
Catalyst University
Geometry | Volume of a Cone
In this video, we calculate the volume of a cone [with example].
ProTeachersVideo
Jonny Heeley's Masterclass: Decimals Forever
Jonny Heeley inspires a group of gifted and talented KS2 students with an active lesson about decimals.
Teaching Award winner Jonny Heeley inspires a group of gifted and talented KS2 pupils with an active lesson about decimals.
With an...