Curated Video
Circle Geometry: Finding the Size of an Angle
This video shows how to solve two problems involving angles in a circle. It first shows how to find the size of an angle at the center of a circle when given an angle at the circumference. Part two of the problem shows how to find the...
Curated Video
Properties of Shape: Solving for the Distance Around the Edge of a Circle with a Given Circumference
This video shows the process for solving the problem presented in SATs 2022 Paper 2 Q19, which involves solving for the distance around the endge of a circle with a given circumference and right-angled points. Students will understand...
Brian McLogan
What is the radian measure of an angle
π Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Finding the circumference and area of a circle
π 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...
Curated Video
Proving the Area of a Circle
In this video, the teacher explains how to prove the formula for calculating the area of a circle using a visual demonstration. By dissecting and rearranging the circle into smaller slices, the teacher shows how the formula, area equals...
KnowMo
Sectors and Arc Lengths of Circles
This video provides an electric presentation on sectors and arc lengths of circles. The presenter explains the key information needed to understand the topic, including the circumference and area formulas of a circle. The presentation...
Science Buddies
Circular Reasoning: Finding Pi
Mathematicians look at the world around them in terms of numbers and formulas, and now, you can discover the formula for Pi too! In this science activity you will examine circular objects and see what you can discover about their sizes....
KnowMo
Circle Theorems: Recognizing and Applying Key Rules
This is an educational video that explains various circle theorems, which are important geometrical concepts related to angles and chords in a circle. The presenter goes through each theorem and provides examples and visual aids to help...
FuseSchool
Circle Theorems - Part 1
CREDITS Animation & Design: Murray Knox Narration: Lucy Billings Script: Lucy Billings In these 3 videos we are going to discover 9 different circle theorems. Iβm a big fan of them - theyβre like little logic puzzles. Before we get...
Curated Video
Volume of a Cylinder
In this video, the teacher explains how to find the volume of a cylinder using the formula volume equals pi r squared times h. They also discuss the relationship between the volumes of prisms and cylinders, and demonstrate how to find...
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 Ο as a ratio that relates the circumference to the diameter. This video is part of the 8-part series,...
Brian McLogan
Find the volume of a sphere given the circumference
π 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
First intro to right circular cylinders in junior or high school geometry
π 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
π 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...
KnowMo
Area of Circles: Formula and Calculations
This video is a tutorial on how to calculate the area of circles using the formula ΟRΒ². 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...
Curated Video
Find the Area of a Circle from the Circumference
In this short video we will answer a standardized math test question where we are asked to find the area of a circle when given the circumference of the circle. We will identify the formulas for area and circumference of a circle. We...
Brian McLogan
How to determine the surface area of a cylinder
π 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...
Flipping Physics
Introduction to Circular Motion and Arc Length
Cartesian and polar coordinates are introduced and how to switch from one to the other is derived. The concept of angular displacement and arc length are demonstrated. Circumference is shown to be an arc length.
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a cone
What is the formula to calculate the volume of a cone? Given the radius and height, how do you calculate the volume of a cone?
Cylinders, Cones and Spheres, Part 4
Let's Tute
Surface Area of a Cylinder
In this video, the teacher explains how to calculate the total surface area of a cylindrical object using a cylinder made of paper as an example. The formula includes the area of a rectangle and the areas of two circles, and the video...
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...