Understanding Ratios and Proportions

This video tutorial on the LegulurLash channel introduces the concept of ratios in mathematics, explaining how to simplify them with various examples. It covers the importance of using the same units when comparing objects and provides detailed examples of simplifying ratios with different units. The tutorial also explores how to handle ratios involving three objects and applies these concepts to real-world scenarios, such as comparing students in a class or items in a bag. The video concludes with practical applications and encourages viewers to share the content.

What is the primary requirement for comparing two objects using ratios?

• They must be of the same size.

• They must have the same unit of measurement.

• They must be of the same shape.

• They must be of the same color.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How do you simplify the ratio of 60 minutes to 75 minutes?

• 3:4

• 4:5

• 2:3

• 5:6

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CCSS.6.RP.A.3B

If you have 2.5 kilograms and 50 ounces, to which unit should you convert to simplify the ratio?

• Kilograms

• Grams

• Ounces

• Pounds

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified ratio of 2.5 dozen to 1.4 score?

• 15:14

• 14:15

• 28:30

• 30:28

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CCSS.6.RP.A.3A

In a three-object comparison, if A:B is 2:5 and B:C is 3:7, what is A:C?

• 6:35

• 5:21

• 2:7

• 3:10

How do you find the length of AM if AM:MB is 2:7 and AB is 18?

• AM is 10

• AM is 8

• AM is 6

• AM is 4

If AM:MB is 2:3 and MB is 12, what is the total length of AB?

• 18

• 30

• 24

• 20

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class of 40 students, if there are 20 boys, what is the ratio of girls to the total number of students?

• 2:3

• 2:1

• 1:2

• 1:1

If a bag contains 35 marbles in the ratio of red:blue:white as 1:2:4, how many red marbles are there?

• 10

• 20

• 15

• 5

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CCSS.2.OA.A.1

In the same bag of marbles, how many white marbles are there?

• 5

• 10

• 15

• 20

Tags

CCSS.2.OA.A.1