ProTeachersVideo
Inside Maths: Ratios and Proportions
KS4 maths: Fran challenges Dave to cook a dinner party for six, but when he is faced with too few ingredients he has to use ratios and proportions to sort things out. Fran has a dinner party which she wants Dave to prepare. When he heads...
Curated Video
KS2 Primary Maths Age 9-13 - Ratio, Proportion and Algebra: Ratio and Proportion - 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...
Curated Video
Calculating Perimeter from Scale Drawings using Ratios and Proportions
This video teaches students how to compute the actual perimeter of a scale drawing by using ratios and proportions. It explains the concept of proportions and demonstrates how to find missing side lengths in similar figures. The video...
Curated Video
Calculating Actual Lengths from Scale Drawings Using Ratios and Proportions
In this video, the teacher explains how to calculate the measurements for a scale model of the Parthenon using ratios and proportions. The lesson covers the concepts of ratios, proportions, corresponding sides in similar triangles, and...
Curated Video
Creating New Scale Drawings Using Ratios and Proportions
In this video, the teacher explains how to change the size of a blueprint by using ratios and proportions. They demonstrate how to solve proportions and use scale drawings to determine actual measurements.
Tarver Academy
7-1 How to find Ratio and Proportion - GEOMETRY
In This Episode, Tyler Teaches Us About How to find Ratio and Proportion - Geometry
Curated Video
MATHS - Ratio - Inverse Proportion
In this video, we are going to be looking at Inverse proportion. You may have already looked at direct proportion, which is how we describe the relationship between two quantities which grow by the same scale factor.
Curated Video
Calculating Area from Scale Drawings: Ratios and Proportions
In this video, the teacher explains how to calculate the amount of material needed to make small flags for each student in a school. They demonstrate the use of ratios and proportions to find the area of the flags and apply the concept...
Cerebellum
Ratio and Proportion
This video covers exam strategy, Ratio and Proportion. This is part 5 from the series 'Introduction to the Math Section of the SAT'.
Curated Video
Determining Proportional Relationships Using Tables
Learn how to determine if ratios are proportional by reading tables. Compare ratios of points scored by different players in a basketball game. Understand the importance of multiplying between ratios instead of adding within them to...
Curated Video
Inverse Proportion | Ratio & Proportions | Maths | FuseSchool
Inverse Proportion | Ratio & Proportions | Maths | FuseSchool In this video, we are going to be looking at Inverse proportion. You may have already looked at direct proportion, which is how we describe the relationship between two...
Curated Video
Ratio Problems in Context | Ratio & Proportions | Maths | FuseSchool
Ratio Problems in Context | Ratio & Proportions | Maths | FuseSchool In this video we will learn how to solve ratio problems! CREDITS Animation & Design: Joshua Thomas jtmotion101@gmail.com Narration: Dale Bennett Script: Sevenoaks...
Curated Video
Scale Factors | Ratio & Proportions | Maths | FuseSchool
Scale Factors | Ratio & Proportions When you change the size of a shape by making it larger or smaller, the degree to which you change its size is measured by something called its scale factor. A linear scale factor is simply the size of...
Curated Video
GCSE Maths - What are Ratios & How to Simplify Them (Part 1) #81
This video covers: - How ratios work and how to find ratios - How to simplify ratios This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your...
Brian McLogan
ACT SAT Prep Learn how to use proportions to determine the number of pears to use in a salad
ACT SAT Prep Learn how to use proportions to determine the number of pears to use in a salad
Curated Video
Understanding Scale Factors and Proportions
In this video, the teacher explains how to find the scale factor or constant of proportionality in an architect's scale. The concept of ratios, proportions, and scale factors is introduced, and division is used to determine the scale...
Curated Video
How to Write a Proportion | 7.RP.A.2
In this math video we will learn how to write a proportion. We will understand that a proportion represents to equivalent ratios. In the given problem we will compare a given quantity to the cost. We will compare two different quantities...
Curated Video
Using Conversion Ratios
New ReviewIn this math video we will be using conversion ratios to change a recipe. We will be converting cups to fluid ounces and fluid ounces to tablespoons. We will answer a three part real world problem using conversion ratios to support our...
Curated Video
Graphs of Proportional Relationships and Constant of Proportionality
In this video, the teacher explains how to identify proportional relationships in tables and graphs, and how to determine the constant of proportionality. The lesson includes examples and step-by-step instructions for finding the...
Curated Video
How to Simplify Ratios
New ReviewThis video explains how to simplify ratios including how to simplify ratios that include decimal numbers, mixed units and fractions. We also explain how to get a ratio in the form 1:n or n:1. Practice questions are at the end of the video.
Curated Video
Sharing in a Given Ratio
New ReviewThis video explains ratio sharing / sharing in a given ratio. Two sets of practice questions and answers are provided at the end of the video.
Curated Video
Proportions
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will solve...
Curated Video
How to Use a RATIO | 6.RP.A.3
In this math video we will learn how to use a ratio. We will be given a ratio of mass to volume. We will review how to write a ratio and how to write a proportion using equivalent ratios. We will use the given information and identify...
Brian McLogan
What is a proportion
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...