Review 5-1 to 5-3 SDSU

Topic 5 Review

Open Ended

Understand Rates and Unit Rates

A rate is a ratio that relates two quantities with different units. A unit rate relates a quantity to 1 unit of another quantity. You can use what you know about dividing fractions to write a ratio of fractions as a unit rate

Open Ended

Write the statement as a unit rate.

1.) 78 miles on 3 gallons

Open Ended

Write the statement as a unit rate.

1.) 18 laps in 6 minutes

Open Ended

Write the statement as a unit rate.

1.) 48 sandwiches for 16 people

Open Ended

Which is a better value? $5.00 for 4 mangoes OR $6.00 for 5 mangoes

Open Ended

Which is a better value? 3 laps in 5 minutes OR 4 laps in 7 minutes

Multiple Select

What are the three ways to write a ratio?

• to

• colon

• fraction

• bar diagram

• unit rate

Open Ended

A florist uses 5 red roses for every 2 white roses in her bouquet.

1.) Write the ratio of white roses to red roses in three different ways.

Open Ended

A florist uses 5 red roses for every 2 white roses in her bouquet.

2.) Write the ratio of red roses to the total number of flowers in three different ways.

Open Ended

 $\frac{5\ red\ roses}{2\ white\ roses}=\frac{10\ red\ roses}{?\ white\ roses}$  

A florist uses 5 red roses for every 2 white roses in her bouquet.


2.)If the florist uses 10 red roses in bouquet, how many white roses does she have?

Open Ended

 $\frac{5\ red\ roses}{2\ white\ roses}=\frac{?\ red\ roses}{10\ white\ roses}$  

A florist uses 5 red roses for every 2 white roses in her bouquet.


3.)If the florist uses 10 white  roses in bouquet, how many red roses does she have?

Generate (make) Equivalent Ratios

You can multiply or divide both terms of a ratio by the same nonzero number to find equivalent ratios.

Open Ended

 $\frac{5}{12}$  (Find two ratios equivalent to the given ratio)

Open Ended

 $14:32$  (Find two ratios equivalent to the given ratio)

Open Ended

For every 4 bagels sold at a bakery, 7 muffins are sold. How many muffins are sold when the bakery sells 24 bagels? Complete the table.

Compare Ratios

To compare ratios, make a table to show each ratio and then find a value in which one of the terms is the same in both tables.

Open Ended

The school soccer team buys 3 soccer balls for every 2 players. The school volleyball teams buys 7 volleyballs for every 5 players. Which team buys more balls per player and why?

Open Ended

Jenna walks 12 miles in 5 days. Alex walks 7 miles in 3 days. Who walks more miles in one day and why?