Determining Equivalent Ratios

This tutorial explains how to determine if two ratios are equivalent using the cross multiplication method. It includes step-by-step instructions and examples to illustrate both equivalent and non-equivalent ratios. The video concludes with practice examples to reinforce the learning.

What is the main topic of this tutorial?

• Determining if ratios are equivalent

• Solving algebraic equations

• Finding the area of a circle

• Understanding fractions

Tags

CCSS.6.RP.A.3A

What is the first step in determining if two ratios are equivalent?

• Subtracting the ratios

• Cross multiplying

• Adding the ratios

• Dividing the ratios

Tags

CCSS.6.RP.A.3A

In the example 2:3 and 8:10, what are the products of the cross multiplication?

• 18 and 24

• 20 and 24

• 16 and 24

• 20 and 30

Tags

CCSS.6.RP.A.3A

What conclusion can be drawn if the products of cross multiplication are not equal?

• The ratios are both greater than 1

• The ratios are not equivalent

• The ratios are both less than 1

• The ratios are equivalent

Tags

CCSS.6.RP.A.3A

In the example 12:8 and 6:4, what are the products of the cross multiplication?

• 48 and 32

• 32 and 48

• 48 and 48

• 24 and 48

Tags

CCSS.6.RP.A.3A

What conclusion can be drawn if the products of cross multiplication are equal?

• The ratios are both less than 1

• The ratios are both greater than 1

• The ratios are not equivalent

• The ratios are equivalent

Tags

CCSS.6.RP.A.3A

In the practice example 2:4 and 4:8, what are the products of the cross multiplication?

• 8 and 8

• 16 and 16

• 16 and 8

• 8 and 16

Tags

CCSS.6.RP.A.3A

In the practice example 3:10 and 2:7, what are the products of the cross multiplication?

• 30 and 14

• 20 and 21

• 14 and 30

• 21 and 20

Tags

CCSS.6.RP.A.3A

What is the final step after cross multiplying to determine if ratios are equivalent?

• Comparing the products

• Dividing the products

• Adding the products

• Subtracting the products

Tags

CCSS.6.RP.A.3A

What is the purpose of drawing circles around the numbers being multiplied?

• To highlight the numbers

• To confuse the students

• To show the work clearly

• To make the ratios look nice

Tags

CCSS.7.EE.B.3