Equivalent Ratios

Reviewing Equivalent Ratios and Proportions

Multiple Choice

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Multiple Choice

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to apples?

• 5:4

• 4:5

• 2:5

• 6:5

Multiple Choice

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to TOTAL FRUIT?

• 5:4

• 5:2

• 5:6

• 5:11

​Making an Equivalent Ratio

Multiple Choice

Simplify the ratio 6/9

• 2/3

• 3/3

• 9/6

• 1/9

Multiple Choice

Which is equivalent to

$$\frac{5}{6}$$  ?

• $$\frac{15}{24}$$  

• $$\frac{20}{24}$$  

• $$\frac{1}{6}$$  
  

• $$\frac{25}{35}$$  
  

Multiple Choice

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

2 Ways For Solving a Proportion

​Proportion = Two ratios that are equivalent to each other

Multiple Choice

Solve the proportion:

• 15
• 5
• 10
• 12

Fill in the Blank

Solve the proportion:

$$\frac{2}{3}=\frac{a}{15}$$  

Multiple Choice

What is the word ratio you wrote for what's being compared?

• $$\frac{flour}{sugar}$$  

• $$\frac{sugar}{flour}$$  

Multiple Choice

Choose the correct proportion below.

• $$\frac{1}{5}=\frac{x}{25}$$  

• $$\frac{1}{5}=\frac{25}{x}$$  

• $$\frac{1}{25}=\frac{x}{5}$$  

Multiple Choice

20 Fuji apples cost $12. How many Fuji apples can you buy for $3?

Select the proportion that represents the situation correctly.

• $$\frac{20\ apples}{12\ dollars}=\frac{x\ apples}{3\ dollars}$$

• $$\frac{20\ apples}{3\ dollars}=\frac{x\ apples}{12\ dollars}$$

• $$\frac{12\ dollars}{20\ apples}=\frac{x\ apples}{3\ dollars}$$

• $$\frac{3\ dollars}{12\ dollars}=\frac{20\ apples}{x\ apples}$$