Ratios
Rate
Rate of Change and Slope
Percent to Fraction in Simplest Form
Fraction to Percent (round to hundredth is necessary)
100
My sister has 4 pennies and 6 nickels, what is her ratio of pennies to nickels in simplest form.
2/3
100
Find the unit rate: 360 miles in 6 hours
60 mi/h
100
The information below shows the number of miles a plane traveled while in flight. Use this information to find the approximate rate of change in miles per minute. Round to the nearest whole mile. Time (min): 30 60 90 120 Distance (mi): 290 580 870 1,160
about 10 miles per minute
100
18%
9/50
100
3/5
60%
200
The pet store has 8 tabby kittens and 12 calico kittens, what is the ratio of tabby kittens to calico kittens?
2/3
200
Find the unit rate: 45.5 meters in 13 seconds
3.5 m/s
200
Graph the points (1, 30); (2, 60); and (3, 90). Use this graph to find the rate of change.
30
200
87.5%
7/8
200
3/16
18.75%
300
Are the following ratios equivalent: $4 for every 16 ounces $10 for every 40 ounces
yes
300
Find the unit rate (round to hundredths): $1.12 for 8.2 ounces
$0.14/oz
300
David opens a saving account with $75. After 3 months, he has $150. After 6 months, he has $300. After 9 month, he has $450. What is rate of change?
$50 per month
300
18 3/4 %
3/16
300
1/3
33.33%
400
Are the following ratios equivalent: 8 roses to 6 babies breath 12 roses to 10 babies breath
no
400
Ms. Meehan bought 4 notebooks for $6.32. At this same unit price, how much would she pay for 5 notebooks?
$7.90
400
At Sarah's Shoes, 2 pair of sandels cost $30 and 4 pairs cost $60. Find the rate of change.
$15 per pair of sandels.
400
130%
13/10
400
17/10
170%
500
Ms. Kagy catches two similiar looking fish. The larger fish is 12 inches long and 3 inches wide. The smaller fish is 6 inches long and 1 inch wide. Do these fish have equivalent length to width ratio?
no
500
Ms. Wunsch's recipe that makes 10 mini-loaves of banana bread calls for 1 1/4 cups flour. How much flour is needed to make 2 dozen loaves?
3 cups
500
Define slope.
Change in y (over) change in x
500
0.02%
1/5000
500
26/25
104%
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