Ratio Presentatiom

Multiple Choice

Are these ratios proportional? 3/27 and 2/18

• Yes, they are proportional

• No, they are not proportional

• Only one ratio is proportional

• Cannot be determined

Open Ended

How can understanding proportional relationships help you solve problems in everyday life?

Multiple Choice

Are the ratios 3/27 and 2/18 proportional?

• Yes, they are proportional.

• No, they are not proportional.

• Only if the numerators are equal.

• Only if the denominators are equal.

Multiple Choice

14 is what percent of 35?

• 20%

• 35%

• 40%

• 50%

Open Ended

Explain how to determine if two ratios are proportional using an example from the images.

Fill in the Blanks

If 45% of students chose Math as their favorite class and there are 280 students, how many chose Math?

Multiple Select

Which of the following situations can be solved using proportions?

• Finding the number of lawns mowed in a given time.

• Converting feet to meters.

• Calculating the percentage of students who chose Math.

• All of the above.

Multiple Choice

If José has 7 US coins for every 4 international coins and he has 28 international coins, how many US coins does he have?

• 7

• 14

• 28

• 49

Open Ended

Why is it important to include units when calculating rates and unit prices?

Multiple Choice

What is a unit rate, and how is it calculated?

• A rate for two items, calculated by multiplying.

• A rate in lowest terms or the amount for one, calculated by dividing.

• A rate for three items, calculated by adding.

• A rate with no units, calculated by subtracting.

Open Ended

How would you find the unit price if a product costs $4.50 for 3 pounds?

Fill in the Blanks

According to the special notes, what always goes on the bottom when finding rates?

Multiple Select

Select all examples of unit rates from the following options:

• 50 mi/hr

• 4 pgs/hr

• $25 for 3 DVDs

• 10 pages in 2.5 hours

Multiple Choice

Which of the following is an example of a unit rate from the images?

• 90 miles in 5 hours

• $25 for 3 DVDs

• 18 miles in 1 hour

• 10 pages in 2.5 hours

Multiple Choice

What is the unit rate for mowing lawns as shown in the table?

• 0.5 lawns/hr

• 2 lawns/hr

• 4 lawns/hr

• 1 lawn/hr

Multiple Choice

Using the unit rates, which store offers the better deal for juice: Weis or Giant?

• Weis

• Giant

• Both are the same

• Cannot be determined

Open Ended

Explain how to determine the unit rate from a table or a word problem. Give an example based on the images provided.

Multiple Choice

Compare the deals for lawn food at Home Depot and Lowes. Which one is more cost-effective based on the unit rate?

• Home Depot

• Lowes

• Both are the same

• Cannot be determined

Multiple Choice

Which of the following is NOT a step in solving a proportional relationship problem?

• Write a proportion

• Estimate the answer using benchmark percents

• Ignore the relationship between quantities

• Determine if the relationship is proportional

Open Ended

What is one real-life situation where you could use proportional reasoning to solve a problem?