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Brian McLogan
Solving a word problem using proportions
👉 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
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.
Tarver Academy
How to Submit Assignments - Google Classroom
In This Episode, Tyler Teaches Us About How to Submit Assignments - Google Classroom
Curated Video
Finding Percent of Change and Final Amount Percentage
In this video, the teacher explains how to find the percent of change and determine the percent the final amount is of the original amount. They demonstrate three different approaches: using diagrams, proportions, and equations.
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
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
Finding the Amount of Change and Final Amount
In this video, the teacher explains how to find the amount of change and the final amount given the original amount and the percent of change using diagrams, proportions, and equations. They emphasize that the percent of increase or...
Curated Video
Computing Successive Percentages: Proportions and Equations
In this video, we look at an example of calculating the final price of a computer that was on sale for 30% off, with an additional 15% discount from a coupon and a 7.25% tax rate. The teacher emphasizes the importance of understanding...
Curated Video
Solving Ratio and Percent Problems using Proportions
This video explains how to solve ratio and percent problems using proportions. It provides examples and demonstrates how to set up known ratios and use the multiplicative relationship within a proportion to find the unknown values. The...
Amor Sciendi
Architecture and Proportion
The French Architect Le Corbusier revived traditions of human proportions in architecture in a radically new way.
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
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...
New Mexico State University
Overruled!
It is all a matter of feet. Scholars first watch a video about measurement and conversions. While watching the video and with additional practice, pupils determine that proportional relationships create a straight line through the...
Physics Girl
Calculating Pi with Darts
Can pi be calculated through a game of darts? The video shows why this works mathematically and the issues surrounding the methodology. Once participants overcome errors, success through physics and mathematics leads to celebration.
Khan Academy
Similar Triangles, Similarity, Geometry
Although a rather complicated topic, this video clearly explains the concept of solving problems involving similar triangles. It employs problem-solving to determine whether two figures are similar triangles. In addition, it provides...
Khan Academy
Similar Triangles (Part 2), Similarity, Geometry
Building on concepts in the first part of the series on similar triangles, installment number two explores how to find the values for given angles in a triangle. These problems are solved by using algebra and ratios. A step-by-step...
Khan Academy
SAT Prep: Test 1 Section 6 Part 2
Using the process of elimination, Sal takes students through helpful ways to solve multiple choice questions on the SAT quickly and correctly. Problems 5-6 involve probability and proportions.
Khan Academy
SAT Prep: Test 4 Section 2 Part 6
If students require deeper explanations on algebra problems, this video (which ends this practice SAT session) would be beneficial. Sal goes into detail about his methodology and thought process behind some of the more difficult problems...
Khan Academy
Solving a Proportion with an Unknown Variable (Example)
There are many ways to solve a proportion. In this presentation, Sal goes over all of them. He demonstrates several methods for solving a proportion. He goes through every necessary step and explains the entire process. This would be...
Khan Academy
Unit Conversion: Gallons to Quarts, Pints, and Cups, Pre-Algebra
Provide your students with the context and information they'll need to convert gallons to quarts, pints, and cups. In this video, Sal defines gallons, quarts, pints, and cups. Then he uses this information to solve a problem where he...
Khan Academy
Proportion Word Problem (Example 1)
This video elaborates on the basic concept of finding an unknown by analyzing a word problem and then applying one of the techniques seen in the previous video. Tip: Use this word problem as a warm-up before your math lesson.
Flipped Math
Side Splitter Theorem
Apply perspective to similarity. Individuals learn about the Side Splitter Theorem by looking at perspective drawings. Pupils use the theorem and its corollary to find missing lengths in figures. Next, they practice using the theorem and...
Flipped Math
Calculus AB/BC - Modeling Situations with Differential Equations
Differentiate between models. Pupils watch as the video works through three examples of creating a differential equation to model a situation. Scholars use their knowledge of proportional relationships to set up the equations and to...
Mathispower4u
Hooke's Law - Direction Variation Application
Get a direct stretch from a spring. The presentation shows how Hooke's law uses direct variation. Scholars see how to calculate the spring constant for a spring given a stretch distance and a force. Individuals then use the spring...