Understanding Decimals and Proportions

This video tutorial teaches how to solve proportions using the cross products method. The instructor explains the process of multiplying the numerator of one fraction by the denominator of the other and setting it equal to the opposite diagonal. Several examples are provided, including those with decimals, to demonstrate the method's application. The video emphasizes the repetitive nature of the process and concludes with a summary of the key steps.

What is the method used in this video to solve proportions?

• Addition

• Subtraction

• Division

• Cross Products

Tags

CCSS.6.RP.A.3B

In the cross product method, what do you multiply together?

• Denominator of one fraction and numerator of the other

• Numerator of both fractions

• Denominator of both fractions

• Numerator of one fraction and denominator of the other

Tags

CCSS.6.EE.B.7

If you have the equation 6x = 12, what is the value of x?

• 1

• 4

• 2

• 3

Tags

CCSS.4.NBT.B.6

What is the result of 24 divided by 5?

• 4.6

• 4.9

• 4.8

• 4.7

Tags

CCSS.6.EE.B.7

When solving 3x = 30, what is the value of x?

• 5

• 8

• 10

• 9

Tags

CCSS.7.NS.A.2A

How do decimals affect the cross product method?

• They change the method

• They make it more complex

• They do not change the method

• They simplify the method

Tags

CCSS.6.NS.B.3

What is the result of 27 divided by 4.5?

• 7

• 6

• 5

• 8

Tags

CCSS.6.EE.B.7

What is the value of x in the equation 10x = 12.6?

• 1.26

• 1.36

• 1.46

• 1.56

Tags

CCSS.6.NS.B.3

What is the result of 60.5 divided by 2.5?

• 25.2

• 22.2

• 23.2

• 24.2

Tags

CCSS.6.EE.B.7

What is the value of x in the equation 6x = 60?

• 11

• 9

• 8

• 10

Tags

CCSS.6.EE.B.7