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
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
7-2 Ratios in Similar Polygons - GEOMETRY
In This Episode, Tyler Teaches Us About Ratios in Similar Polygons - Geometry
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...
Brian McLogan
How to solve a proportion using the cross product
👉 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
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...
Brian McLogan
Determine if ratios are equivalent
👉 Learn how to divide fractions. To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. (The reciprocal of a fraction is swapping the positions of the numerator and the denominator). It is...
Brian McLogan
Learn to solve a proportion by mulitplying both sides by the LCD (4x+5)/5 = (2x+7)/7
👉 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
Solving a proportion using the cross product ex 7, 8/5 = (4/3x)
👉 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
How to solve a proportion with an expression over another ex 18, (c + 1)/(c - 2) = 4/7
👉 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
Solving a proportion using cross multiplication
👉 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
Learn how to solve a proportion by applying the cross product ex 15, 15/(x+7) = 45/(x+21)
👉 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 multiplying by the LCD ex 13, (2n - 9)/7 = (3 - n)/4
👉 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
Solving a proportion by cross multiplication with decimals
👉 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...
Brian McLogan
Deciding to multiply a proportion by the LCD rather than using cross multiplication
👉 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
How to Find & Use Unit Rate | 7.RP.A.1
In this math video we will solve a four part constructed response question where we discover how to find & use unit rate. We will use equivalent ratios, proportions, Cross Product Property, and write & use an equation to solve each of...
Curated Video
Proportional Relationships in a Table (Part 2)
Determine if ratios in a table are proportional by testing for equivalent ratios.
Curated Video
Proportional Relationships in a Table (Part 1)
Determine if ratios in a table are proportional by testing for equivalent ratios.
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...
Tarver Academy
7-1 How to find Ratio and Proportion // GEOMETRY
http://bit.ly/tarversub Subscribe to join the best students on the planet!! ----Have Instagram? DM me your math problems! http://bit.ly/tarvergram Hangout with Tyler and watch EXCLUSIVE videos!! http://patreon.com/tylertarver Get Math...
Curated Video
Determining the Constant of Proportionality from a Graph
This video explains how to determine the constant of proportionality from a graph. It demonstrates the process using an example of time and distance. The constant of proportionality can be found by finding the ratio of y to x, and it...
Curated Video
Write a Proportion Using Scale | 7.RP.A.2
In this math video we will write a proportion using scale. We will be presented with a scale of a drawing to an actual dimension of a room. We will use the scale ratio to write and identify a proportion. We will understand that a...
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...