What are Rates
A rate is a special type of ratio that compares quantities with _________ units of measure.
Unlike, or different
Find the unit rate (price per taco). 3 tacos for $2.40
$0.80 for 1 taco
Determine which is the better value
3 kilograms of charcoal for $7.95
or
5 kilograms of charcoal for $12.50
5 kilograms for 12.50
A race car has a constant speed of 140mph. How far will the race car go in 2.5 hours?
350 miles
Which of the following is not a rate
a) 5 oranges for every blueberry
b) 65 miles for every hour
c) $25 dollar for every phonecase
d) $15 dollars per hour
Oranges and blueberries are "similar" units of measure
They could be added together to say ____ pieces of fruit
$0.85 per taco
Which is the better buy?
50 envelopes for $2.49
Or
90 envelopes for $5.50
50 for $2.49
Grocery giant is having a sale on Swiss cheese. They sell 24 slices for $7.20. How much would 17 slices cost?
$5.10
$5.1 will not be accepted
Use a ratio table to find 3 rates that are equivalent to 10 km every 3 min
20 km in 6 min
30 km in 9 min
40 km in 12 min
50 km in 15 min
etc...
Find the unit price of 9 pens for $3.60
$0.40 per pen
Which is faster? 300 ft in 12 seconds or 600 ft in 20 seconds?
600 ft in 20 seconds
A football player runs 80 yards in 25 seconds. How far could he run in 30 seconds?
96 yards
Harvest market sells 15 lbs of apples for $12.00. Write two different unit rates to represent this situation.
15 pounds for $12.00 is the same as 1.25 pounds per dollar
$12.00 for 15 pounds is the same as $0.80 per pound.
1 taco for $1.90
Check your partners work
Which is faster? 7 laps in 5 minutes or 11 laps in 8 minutes
7 laps in 5 minutes
A cyclist rides at a constant speed of 24 miles per hour. How long would it take the cyclist to ride 180 miles.
7.5 hours
45 miles in 4 hours is the same as 135 miles in ___ hours
12 hours
A store sells 24 slices of cheese for $7.20. How much would 72 slices cost?
$21.60
Which is a better value? Half a gallon of milk for $2.29 or a whole gallon of milk for $3.99
Whole gallon for $3.99
A package of 50 stamps costs $37.50. How much would 56 stamps cost?
$42.00