Ratios
Ratios This / That
Two step problems
Solving equivalent ratios / Proportions
Unit Rate
100
A ratio is a ___________ between two or more numbers.
Relationship or Comparison
100
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold? Give 3 equivalent (proportional) ratios.
5 to 4
100
For every 6 hotdogs sold, there are 8
Yes scaling up by a factor of 2. 2x2=4 and 3x2=6
100
What value of x makes these ratios equivalent?
x:6 = 6:9
What is 4
100
What is a unit rate?
A ratio comparing 2 different things set over 1
200
Write 11 limes to 6 lemons as a ratio in 3 ways.
11:6, 11/6, 11 to 6
200
All ratios are fractions. True or False?
False: All fractions ARE Part-to-Whole ratios, but Part-to-Part ratios are not fractions.
200
1/6 and 2/7
Not Proportional Using a scale factor of 2, 1x2= 2 6x2= 12 (not equivalent to 7)
200
What value of x makes these ratios equivalent?
x/12 = 9/36
What is 3
200
If five scoops of ice cream costs $10.00, how much is is then for one scoop?
What is $2.00?
300
To find an equivalent ratio you _________ or ________ both numbers in a ratio by the same thing.
multiply; divide
300
There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?
5:8
300
6/8 and 9/12
Yes 6/8= 3/4 9/12= 3/4
300
What value of x makes these ratios equivalent?
x/6 = 8/12
What is 4
300
Martha runs 3 miles in 25 minutes. How long does it take Martha to run one mile if she is at a constant speed?
8.33 minutes
400
There are 500 cars to 100 busses. What is this ratio in SIMPLIFIED FORM?
5c to 1 b
5c/1b
5c: 1b
400
What are unit rates?
They are rates per one unit.
400
You get paid $75 for every 3 hours worked; how much will you get paid for 20 hours of work?
$500
400
What value of x makes these ratios equivalent?
6/10 = 18/x
What is 30
400
Hy Vee is selling 12 oz of bacon for $15.99 and Baker's is selling 20 oz of bacon for $24.99. Determine the unit rate for each store and which is the better buy.
Baker's: $1.25 per oz
Hy Vee: $1.33 per oz
Baker's is the better buy.
500
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
What is C, D Multiplying and Dividing
500
Write 3 equivalent ratios.
Answers will vary, must be confirmed by opposing player (if playing against someone)
500
For every 3 hotdogs sold, there are 12 hamburgers sold. How many hamburgers are sold if 15 hotdogs are sold?
60 hamburgers
500
What value of x makes these ratios equivalent?
3:8 = 15:x
What is 40.
500
A box of chips is $13.99. If the box holds 15 bags, how much is one bag?
$0.93 per bag