Understanding Equivalent Ratios

This video tutorial explains the concept of equivalent ratios, demonstrating how to find missing numbers in ratios using multiplication and division. It provides examples and practice problems to reinforce understanding, guiding viewers through the process of identifying relationships between numerators and denominators to solve for unknowns. The video also offers resources for further practice and encourages viewers to engage with additional content on the website.

What is the main characteristic of equivalent ratios?

• They have different relationships between the two ratios.

• They have the same relationship between the two ratios.

• They always have the same denominator.

• They always have the same numerator.

How can you find a missing number in equivalent ratios?

• By subtracting the same number from both ratios.

• By multiplying or dividing by the same number.

• By adding the same number to both ratios.

• By using only multiplication.

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CCSS.7.RP.A.2A

In the example 6 to ? is equivalent to 12 to 48, what is the missing number?

• 36

• 48

• 24

• 12

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CCSS.6.RP.A.3A

In the ratio 2 to 8, what do you multiply by to get an equivalent ratio of 6 to ?

• 4

• 5

• 3

• 2

What is the missing number in the equivalent ratio 2 to 8 is equal to 6 to ?

• 16

• 18

• 20

• 24

In the problem ? to 10 is equivalent to 4 to 5, what is the missing number?

• 12

• 10

• 8

• 6

What operation is used to find the missing number in the ratio ? to 10 is equivalent to 4 to 5?

• Multiplication

• Subtraction

• Addition

• Division

In the problem 99 to 9 is equivalent to 11 to ?, what is the missing number?

• 2

• 1

• 4

• 3

What operation is used to find the missing number in the ratio 99 to 9 is equivalent to 11 to ?

• Addition

• Subtraction

• Multiplication

• Division

What is the relationship used to find the missing number in the ratio 99 to 9 is equivalent to 11 to ?

• Multiply by 9

• Divide by 9

• Divide by 11

• Multiply by 11