Solve Proportion by Cross Production Method
Showing posts with label what are proportions. Show all posts
Showing posts with label what are proportions. Show all posts
Friday, February 20, 2015
7th Grade Math - Solve Proportion by Cross Production Method
In this video, you will learn how to solve proportions using the cross production method. Cross products is when you multiply diagonally and the products you get must be the exact same for it to be a proportion. Proportion is an equation that says two ratios are equivalent.
7th Grade Math - Solve Proportions by using Equivalent Fractions
In this video, you will learn how to solve proportions by using equivalent fractions. Equivalent fractions are fractions that are equal to each other. Proportion is an equation that says two ratios are equivalent.
Solve Proportions by using Equivalent Fraction Method
7th Grade Math - Word Problem for Proportions
In this video you will learn how to solve a proportion through word problems. You will be able to learn how to setup a proportion and also solve for a missing value, or a variable. Proportions are equations that say two ratios are equivalent.
Solve Proportion Word Problem
7th Grade Math - What are Proportions
In this video you will learn about proportions. Proportion is a equation that says two ratios or fractions are equivalent. This video will talk about setting up a proportion and also how to find a missing value through setting up proportions.
What are Proportions in Math
Monday, July 21, 2014
Define Ratio and Proportion
Introduction
In this lesson, you will learn the basics about ratios and proportions. This is a very important lesson because you will be using this topic for our coming up topics on percentages as well. So let's begin!Ratio
Ratio is just a comparison between two different quantities.Here are some examples of real-life ratios:
- 70 miles per hour
- 1 teacher per 25 students
- 5 pencils per pencil pouch
- 6 stickers per page
15:1
15/1
15 to 1
Proportions
Proportions are just two fractions that are the same or equal. They are used to compare ratios.Proportions can be written like the following:
1/4 and 6/24
The above fractions are equal so they are proportions!
Sheet 1 What is Ratio and Proportion
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