Ratios
Rates
Unit rates
Better deal
Proportions
100
Write the ratio as a proportion.
12 emails to 16 text messages
12/16
100
Name a rate that is used in real life?
answers may vary
100
What does "unit" mean
one (1)
100
how do you know which item is the better deal?
The item that has the smallest or lowest unit price
100
How do we write Ratios/Proportions in math?
as a FRACTION
200
What is an equivalent ratio to
1/2
5/10
3/6
2/4
200
what word in math sounds like rate?
ratio
200
What is the unit rate of if Addy buys 7 tickets for $42
$6 per ticket
200
Kleenex is a better deal it is 0.02 cents per tissue.
Puffs is 0.03 cents per tissue
200
Proportions are what kind of fractions?
"Equivalent" fractions
300
what is an equivalent ratio to 24:32
6:8
3:4
48:64
300
A group of hikers traveled 1/2
of a mile in 2/5 of an hour.
How far would they travel in one hour?
The hikers would travel
1 1/4 or 1.25 or 5/4
mile(s) in one hour.
300
If 5 apples cost 2.35 cents, what is the cost of one apple?
0.47 cents
300
Sargento is the better deal it is 0.25 cents per slice
Velveeta is 0.27 cents per slice
300
are the following ratios proportional?
4/5 and 9/10
no, 4 can't go into 9 evenly
400
are
10/15 and 30/45
equivalent ratios?
yes they both simplify to 2/3
400
Ethan writes 1/6 of a page in 1/12 of a minute. How much time does it take him to write a full page?
2 minutes
400
It took ⅔ minutes to fill a barrel ¼ full of water. Find the unit rate in barrels per minute.
3/8 barrels per minute
400
Which one is the better deal, in other words which one has the better unit price?
32 oz is better, it cost 0.08 cents per oz 34
38 oz cost 0.10 cents per oz
400
are the following ratios proportional?
3 jars for $6 and 12 jars for $24
yes, they both are equivalent fractions
each have a unit price of $2 per can
500
Are these ratios equivalent?
$32 for 4 tickets and $80 for 10 tickets.
yes
32/4 = $8
80/10 = $8
500
William can run 1/2 of a mile in 1/10 of an hour. How many miles can he run in 2 hours?
10 miles in 2 hours
5 miles in 1 hour
500
If the average heart rate of a 12 year old is 7 beats per 1/10 min. What is the unit rate in beats per min.
70 beats per minute
500
Which size is the better deal, in other words what is the unit rate per oz?
21 oz is a better deal, it costs 0.31 cents per oz
12.4 oz cost 0.40 cents per oz
500
A runner burned 120 calories on a 1.6 km run. How many calories would they burn on a 5 km run?
375 calories