Curated Video
Solve a Real World Unit Rate Problem
In this short video we will answer a standardized math test question where we are asked to us unit rate to solve a real world problem. We will begin by identify the unit rate given in the problem. We will write a proportion and use cross...
de Dicto
Time Perception with Dr Devin Terhune: Psychophysical experiments
Learn what insights were gained from psychophysical experiments. What is ecological validity and why is it important? Time Perception with Dr Devin Terhune, Part 2
Brian McLogan
Proving two triangles are similar two different ways
👉 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
What is an extended ratio
👉 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Direct and Inverse Proportion - 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
How to determine if two ratios create 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...
Curated Video
Graphing Proportional Relationships Using a Table
This video explains how to graph a proportional relationship using a table. Understand the concept of proportions and learn how to plot points on a coordinate plane. The lesson also includes a real-life example of calculating earnings...
Brian McLogan
How to use proportions and direct variation to solve for x
👉 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...
Brian McLogan
What is the similarity of triangles for SSS
👉 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...
Brian McLogan
Using proportions to solve a word problem with currency
👉 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
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...
Brian McLogan
Solving a proportion with a binomial
👉 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...
Brian McLogan
Percent of change
👉 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,...
Brian McLogan
Solving a proportion using inverse operations
👉 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...
KnowMo
Electricity and Mathematics: Understanding Inverse Proportion
The video explains the concept of inverse proportion and how to solve problems involving it. The instructor uses examples and equations to demonstrate how as one value increases, the other decreases at the same rate. Practical...
Brian McLogan
Solving a Rational Equation
👉 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...
Brian McLogan
Solve a proportion by using the cross product and parenthesis ex 20, (b+13)/2 = –5b/3
👉 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...
Brian McLogan
Learning to solve 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...
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
Converting Between Currencies and Finding Exchange Rates
In this lesson, students will learn how to determine the exchange rate between two different currencies and use it to convert amounts. They will solve proportions to find the exchange rate and apply it to calculate the amount of one...
Brian McLogan
Learn how to take the percent of a given number
👉 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
Origins and Styles of Anime
Anime is an abbreviation of the word 'animation'. Outside of Japan though, anime has come to mean a style of Japanese illustration and artwork. Explore the vibrant characters, colorful graphics, and fantastical themes that make the anime...
Brian McLogan
What is a ratio
👉 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...
Curated Video
Demonstrating Circle Similarity Using Translations and Dilations
In this video, we review the concept of similarity, where corresponding angles are congruent and corresponding sides are proportional. This lesson helps students understand the criteria for similarity and how it applies specifically to...