Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratios - 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
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratio - 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...
Brian McLogan
Using proportions to solve a word problem
👉 In this video, you will learn how to solve a word problem using proportions. To do this we will identify our unknowns as well as our ratio of terms. We will then proceed to set up a proportion and solve it.
Curated Video
Solving Multistep Ratio and Percent Problems Using Proportions
In this video, the teacher explains how to solve multistep ratio and percent problems using proportions. They use examples of applying coupons and taxes to demonstrate the concept. The teacher also clarifies the misconception that the...
Curated Video
Ratios: Proportion and Rates of Change
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q2, which covers proportions and rates of change in ratios. In the problem, learners are required to work out the number of adults in a group,...
Curated Video
Ratios: Solving a Problem with Money and Fractions
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q4, which involves ratios with money and fractions. Students will learn how to use proportions to set up and solve ratio problems involving...
Curated Video
Introduction to Ratio
This video provides an introduction to ratios and explains what they are and how to write and simplify them. The presenter uses real-world examples to illustrate how ratios are used in everyday life, such as in baking and mixing cement....
Curated Video
Percent Proportion: Finding Parts, Holes, and Percents
This video lesson will provide instruction on how to write and solve a percent proportion to find percents, parts or wholes. Proportional relationships will be reviewed, explained and connected to percents to solve multistep percent...
Brian McLogan
Learn to take the percent of a number using a proportion
👉 Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...
Curated Video
Determining Parallel Lines with Proportional Triangles
In this lesson, students will learn how to determine if a fence is parallel to a river by analyzing a diagram. By measuring the sides of triangles and comparing their ratios, they can determine if the fence is parallel.
Brian McLogan
ACT SAT Prep How to determine the the missing value by setting up two proportions
ACT SAT Prep How to determine the the missing value by setting up two proportions
Curated Video
Finding the Original Amount and Amount of Change Using Proportions and Equations
In this video, the teacher explains how to find the original amount and the amount of change given the percent of change in the final amount. Using proportions and equations, the teacher demonstrates how to calculate the price of an item...
Curated Video
Solving Multi-Step Problems with Proportions and Equations
In this video, the teacher explains how to find the percent of a quantity using proportions and equations. They provide examples and step-by-step explanations to help students understand and solve multistep percent problems.
Tarver Academy
7-5 Using Proportional Relationships - GEOMETRY
In This Episode, Tyler Teaches Us About Using Proportional Relationships - Geometry
Brian McLogan
Using the proportion of parallel lines to determine the missing length of a triangle
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Brian McLogan
Given a ratio of angles for a triangle find the actual measurement
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Curated Video
Finding the Difference between the Largest and Smallest Share in a Ratio Division Problem
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q2, which involves ratios. Students will understand the concept of ratio division, including the definition and formula for finding the share of...
Brian McLogan
How to use SSS proportionality to show two triangles are similar
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Curated Video
Solving for X in Right Triangles using the Sine Ratio
In this video, we learn about solving for X in triangles using the sine ratio. By comparing the ratios of the length of the side opposite an acute angle to the length of the hypotenuse in right triangles, we can determine the value of X....
Amor Sciendi
Architecture and Proportion
The French Architect Le Corbusier revived traditions of human proportions in architecture in a radically new way.
Curated Video
The Golden Ratio: The Divine Proportion in Nature and Art
Since the time of the ancient Greeks, there was a belief in the divine property of numbers. Some held that number held the secret to aesthetics and the very nature of the universe itself. Let’s learn about the golden ratio.
Curated Video
The Golden Ratio and the Mystery of the Portmahomack Monastary
New ReviewThe Portmahomack monastery in Eastern Scotland, attributed to the ancient Picts, showcases an architectural design based on the Golden Ratio, suggesting a sophisticated understanding of mathematics and design by this mysterious ancient...
Bozeman Science
Thinking in Proportion: Level 5 - Proportional Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on proportional relationships. TERMS Quantities - the amount (or number) of a thing Proportional relationship - relation of one dataset to another dataset Directly -...
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