Show:
Understanding Ratios
Equivalent Ratios
Solving Unit Rate Problems
Percents
Converting Measurements
100
Name three ways to write ratios.
Fraction form, colon form, the word to form.
100
Is 9/18 equivalent to 1/2?
Yes
100
What is rate?
A rate is a comparison of two ratios with different units.
100
Define percent.
It is another way to write a ratio.  A percent is a ratio that compares a number to 100.
100

Mr. Mignin's height is 72 inches.  Which is an equivalent measurement?

a)  7 feet

b)  2.5 yards

c)  6 feet

d)  3 yards

C
200
What is a ratio?
A ratio is the comparison of two numbers or quantities.
200
Name two equivalent ratios to 7/8.
Example answers: 14/16, 21/24, 35/40 etc.
200
What is unit rate?
When a rate compares a quantity to one unit of another quantity. 
200

Which fraction in simplest form can be used to find 40% of a number?

a)  25/40

b)  5/8

c)  2/5

2)  1/4

C
200
How many feet are in a mile?
5280
300
A strand of lights has 50 light bulbs.  Eight of the bulbs are burned out.  What is the ratio of total number of bulbs to the bulbs that are burned out?
50:8
300
Is 48/ 4 equivalent to 60/5?
Yes
300
It took Ryan 2 hours to edit 6 math problems.  At that rate, how many math problems could Ryan edit in 45 hours?
135
300
What is 5% of 80?
4
300
How many cups are in a gallon?
16 cups
400
Ricardo bought 3 pounds of red grapes, 4 pounds of green grapes, and 1 pound of black grapes.  What is the ratio of green grapes to red grapes that Ricardo bought?  Write the ratio using the word "to".
4 to 3
400

Sergio makes belts in his garage.  He makes a certain number of belts for every hour he works.  What is the missing value in the table?

Hours Worked    Belts Completed

         2                         3

         4                         6

         6                         9

         8                         ?

12
400

Select a rate that is a unit rate.  Mark all that apply.

a)  60 gallons for every 4 hours

b)  $40 per ticket

c)  10 miles/10 hours

d)  1/2 cup per serving

e)  15 people for every row

f)  12 roses/vase

B, D, E, F
400

Which is a true statement?

a)  25% of 160 is 48.

b)  40% of 88 is 32.

c)  60% of 100 is 40.

d)  80% of 90 is 72.

D
400
Sean has a wooden board that is 738 millimeters long.  How long is the board, in centimeters? Round your answer to the nearest whole number.
74
500

There are 50 white stars, 7 red stripes, and 6 white stripes on the U.S. flag.  What is the relationship between stars and red stripes?  Select the ratio that could be used to describe the relationship.  Mark all that apply.

a)  50:7

b)  7:6

c)  50/7

d)  6 to 50

e)  50 to 7

f)  50 to 13

A, C, E
500
A shoe store stocks 3 pairs of boots for every 5 pairs of running shoes.  When there are 30 pairs of boots, how many pairs of running shoes will there be?
50
500
Joe ran 200 yards in 40 seconds and Ana ran 150 yards in 25 seconds.  Who ran faster?  Use numbers and/or a model to explain your answer.

200/40 = 5 yards per second - Joe

150/25 = 6 yards per second - Ana

500

Jon wants to buy a bike for $150.  He has saved 6% of the total cost of the bike.

a)  How much money has Jon saved?

b)  How much more money does Jon need?

a)  $9

b)  $141

500

Select a measurement that is equivalent to 11,028 meters.  Mark all that apply.

a)  11.028 kilometers

b)  110.208 kilometers

c)  110,280 centimeters

d)  1,102,800 centimeters

e)  11,028,000 millimeters

f)  110,280,000 millimeters

A, C, E