Dividing Fractions
More Ratios &Rates
Unit Rates
Conversion
Graphing Proportional Relationships
100
1/4 divide 2/3
3/8
100
Define Rate.
a comparison of 2 quantities that has two different units of measure.
100
Which example is a unit rate?
A) 5:2 B) 36 feet in 1 yard
C) 45 miles in 1 hour D) 2/14=3/21
C
100
How many inches are in 1 foot?
12 inches
100
What makes a graph proportional?
If the graph is a straight line through the origin
200
4/5 ÷ 1/2
8/5 or 1 3/5
200
Which of the follow is an example of a rate?
A) 2:3 B) 12 inches per foot
C) $0.32 per oz D) 1/4=5/20
C- a rate must have 2 different units of measure
200
Which type of fruit has a cost of $0.80 per pound?
Bananas
200
Turn 8 ft per second into feet per minutes
480 ft per minutes
200
Does the following graph show a proportional relationship? 
It's proportional since the graph is a straight line and it's going through the origin.
300
1/2÷ 9
1/18
300
Fill in the table.
300
A box of 15 cookies costs $9. What is the cost for 1 cookie?
$0.60 per cookie
300
+300
Freebie
300
Write an equation for the graph.
y=5x
400
6/7 ÷ 3/4
8/7
400
Delilah does 184 jumping jacks in 4 minutes. She does her jumping jacks at a constant rate. How many jumping jacks can Delilah do for 6 minutes?
276 jumping jacks
400
Sydney read 50 pages in 40 minutes. she reads at a constant rate. How many pages can Sydney read per minute?
1.25 pages per minute
400
Turn 2,300 centimeters per second into meters per second
23 meters per second
400
Does the following table show a proportional relationship?
No, since the graph is not going through the origin.
500
10/12÷ 1/3
5/2
500
Nikola buys a bouquet of 8 sunflowers for $18. What is the cost for 9 flowers?
$20.25
500
Find the unit price for each. Which is the better buy?
Choice 1: 7.5 oz for $10.99 or Choice 2 $9.99 for 6 oz
Choice 1 is the better buy because the unit price is $1.47 per oz where Choice 2 is $ 1.67 per oz since it less expensive.
500
Turn 35 miles per hour into feet per hour
184,800 feet per hour
500
Determine whether the following table is proportional by graphing.
It is not proportional since the line is curved.