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Instructional Video5:41
Curated Video

Circumference of Circles Explained with Formulas and Examples

12th - Higher Ed
This video provides a lesson on the circumference of circles, explaining the relationship between the diameter and circumference and how to calculate the circumference using the formula π * D or 2π R. The video also includes examples of...
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Instructional Video2:53
Curated Video

Calculating Area and Circumference of Circles

12th - Higher Ed
This video is a tutorial on how to calculate the area and circumference of circles using formulas such as pi times the radius squared or pi times the diameter of the circle. The video explains the importance of rounding the final answer...
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Instructional Video12:13
Curated Video

Circles and Circumference

9th - 12th
This video lesson will review key vocabulary terms about circles and finding circumference of circles and semicircles. Students will learn how to describe a circle in terms of radius and diameter, understand the concept of pi, and find...
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Instructional Video5:11
Curated Video

Circle Theorems - Part 1

12th - Higher Ed
CREDITS Animation & Design: Murray Knox Narration: Lucy Billings Script: Lucy Billings In these 3 videos we are going to discover 9 different circle theorems. I’m a big fan of them - they’re like little logic puzzles. Before we get...
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Instructional Video2:06
Jam Campus

Circle Song

6th - 8th
Learn the area, diameter, and circumference of a circle through song! A great way to boost classroom engagement when introducing new topics.
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Instructional Video4:51
Curated Video

GCSE Maths - How to find the Area and Circumference of a Circle (Circles Part 1) #106

9th - Higher Ed
This video explains how to find the area and circumference of a circle using the radius or the diameter. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher...
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Instructional Video8:22
Let's Tute

Introduction to Circles: Terminologies and Concepts

9th - Higher Ed
The video teaches basic terminologies and concepts related to circles, using a circular park as an example. It covers the definitions of a circle, radius, diameter, chord, secant, segment, arc, circumference, tangent, and sector. It also...
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Instructional Video4:18
Curated Video

Finding the Area of a Circle Using Circumference

K - 5th
In this video, the teacher explains how to find the area of a circle using the circumference. They review the formulas for the area and circumference of a circle and highlight a common mistake in calculating the radius.
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Instructional Video1:02
Curated Video

Find the Area of a Circle from the Circumference

9th - 12th
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...
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Instructional Video3:13
Curated Video

Circumference and Area of a Circle

9th - 12th
In this video, a math teacher guides students through test prep questions related to circumference and area of circles. Using formulas and rounding techniques, the teacher helps students arrive at the correct answers and provides helpful...
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Instructional Video3:58
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circumference of a Circle - Explained

9th - 12th
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...
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Instructional Video0:45
Curated Video

Finding the Circumference of a Circle Using the Diameter

9th - 12th
How to find the circumference of a circle using the diameter of a circle. Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Grade 7 Common Core Topics/Standards
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Instructional Video3:55
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circumference of a circle - Explained

9th - 12th
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...
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Instructional Video4:03
Curated Video

Proving the Circumference Formula of Circles

K - 5th
In this video, the teacher explains how to prove the formula for the circumference of a circle by dissecting the circle and making comparisons. The students are guided through the process of unrolling the circle to see how the...
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Instructional Video0:56
Curated Video

Find the Circumference of a Circle Using the Radius

9th - 12th
How to find the circumference of a circle using the radius. Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Grade 7 Common Core Topics/Standards
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Instructional Video2:15
Curated Video

Properties of Shape: Solving for the Distance Around the Edge of a Circle with a Given Circumference

3rd - 5th
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...
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Instructional Video4:02
Curated Video

Finding Circumference Using the Measure of Area

K - 5th
In this video, the teacher explains how to find the circumference of a circle using the measure of the area. They review the formulas for finding the area and circumference of a circle and highlight the importance of properly...
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Instructional Video4:21
Curated Video

Finding the Circumference of a Circle

K - 5th
In this video, the teacher explains how to find the circumference of a circle by exploring the ratio of the diameter and circumference. The concept of constant proportionality and the use of pi as an approximate value are also discussed.
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Instructional Video5:30
Curated Video

Phythaforas' Theorem: Finding the Circumference of a Circle

9th - 12th
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q6, which involves chords and diameter of a circle. Learners are given some information and they need to use the Pythagorean theorem and use the...
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Instructional Video5:47
Curated Video

Circle Definitions: Understanding the Eight Parts of a Circle

12th - Higher Ed
This video is a lecture presentation on the definitions of different parts of a circle. The presenter explains the concept of circle parts and their importance in geometry. The video covers eight components that are essential in...
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Instructional Video2:21
Curated Video

Understanding Circle Components and Definitions

12th - Higher Ed
This video provides an overview of the different components of a circle and their definitions. The video explains the circumference, diameter, radius, sector, arc, tangent, and chord of a circle, and how they relate to each other. The...
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Instructional Video7:53
Curated Video

Introduction to the First Four Circle Theorems

9th - Higher Ed
The video is a lecture presentation on the first four simple circle theorems. The speaker explains how to recognize and apply the angle properties created by chords connecting with the center and tangents running outside of the circle....
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Instructional Video7:10
Curated Video

Sectors and Arc Lengths of Circles

12th - Higher Ed
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...
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Instructional Video5:01
Curated Video

Circle Geometry: Finding the Size of an Angle

9th - 12th
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...