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#24-1 February 7, 2011
Find unit rates for the given ratio:1) 186 miles in 3 hours
Convert the percent to a decimal2) 8.72%
3) In Jessica’s art class, the ratio of GIRLS to BOYS is 3:2. If there are 25 students in the class, how many more girls are there than boys?
Feb. 7, 2011
Write a SIMPLIFIED ratio for each
1). 25 books to 10 magazines 2). 18 cars to 24 trucks
3). 40 moms to 60 dads 4). 250 students to 10 classes
Feb. 7, 2011
Write 2 EQUIVALENT RATIOS for each
==.5 54 ==.6 32
16 ==.7 3020
Write a UNIT RATE for each
boxes 10in candles 100 .8 minutes 6in beats 324 .9
Feb. 7, 2011
Are the rates equivalent?
sec48steps60
sec12steps20
.10
An air balloon rises 15 meters
every 10 seconds. How high does
the balloon rise in 30 seconds.
Set up your answers as equivalent ratios.
yr1__in
yr12in52
yr8in44 ==
Monday Homework
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QUIZ ON 5.1-5.3 IS
TUESDAYYour homework is designed to help
you study for the quiz. DO YOUR HOMEWORK!!!
#24-2 February 8, 2011Write the rate. Then find the UNIT RATE1) 212 words in 4 minutes
Convert the decimal to a percent2) 0.0613)A 12-ounce box of cereal is priced at $3.60, while a 20-ounce box of the same brand of cereal is priced at $5.00. What is the difference in the price per ounce of the two boxes of cereal?
#24-3 February 9, 2011Write the rate. Then find the UNIT RATE1) 396 students in 22 classes
Convert the fraction to a percent2)
3) Mrs. Gonzalez is making a fruit salad to take to a party. She buys 1.6 lbs of grapes, a 5-lb bag of apples, 1.8 lbs of bananas, and 0.8 lbs of cherries at the grocery store. When she gets home she looks at her receipt. Which type of fruit cost the most per pound?
83
The Mean
The mean is the number found by adding a set of numbers and dividing the sum by the number of addends.
Feb. 9, 2011
Miles Meg Rode Her BikeDay Miles
Sunday 4Monday 6Tuesday 1
Wednesday 2Thursday 1
Friday 5Saturday 2
Feb. 9, 2011
6, 7, 8, 2, 2, 3, 5PRACTICE PROBLEMS
11, 14, 17, 11, 12
2, 0, 1, 9, 7, 11, 5, 620, 13, 14, 30
Feb. 9, 2011
Wednesday Homework Feb. 9, 20113.
The mean is: _____
The mean is: _____
The mean is: _____
The mean is: _____
The mean is: _____
#24-4 February 10, 2011Write the rate for the given ratio1) 5 counselors for 75 campers
Convert the percent to a fraction and SIMPLIFY2) 185%
3) Jamie and Bryce have a bag of candy containing 40 gumballs that are either red or blue. The ratio of red to blue gumballs in Jamie’s bag of candy is 1:3 and the ratio of red to blue gumballs in Bryce’s bag of candy is 1:4. How many more red gumballs does Jamie have than Bryce?
Comparing Means Mean for Miami
Mean for Ft. Meyers
Miami averaged more rainfall than Ft. Meyers by __________/ month.
Feb. 10, 2011
Comparing Means Feb. 10, 2011
Mean for Dolphins
Mean for Tigers
What is the difference between the means?
player1players___1257+54+56+51+68+64+61+58+56+53+65+59 ==
player1players___1569+67+62+64+64+70+53+62+61+55+54+58+66+68+63 ==
Thursday Homework
Brothers and Sisters
Find the mean for each pictograph.
Find the difference between the two means.
A
B
Length of TV Commercials – Day One
Length of TV Commercials – Day Two
4.05
2.95
#24-5 February 11, 2011Write the rate for the given ratio. THEN FIND THE UNIT RATE1) 252 tourists and 6 buses
Which one is GREATER?2) 81% _____8.1
3) Bryan and Stephen are helping their parents repaint the garage. Bryan begins painting the north side of the garage, while Stephen paints the west side. After two hours, Bryan has painted 125 square feet and Stephen has painted 106 square feet. If they continue at this rate, how much more area will Bryan have painted than Stephen after 3 and ½ hours?
Mean WITH outlier
==1040+42+28+40+37+39+38+37+38+40
Mean WITHOUT outlier
==940+42+40+37+39+38+37+38+40
With the outlier, the mean is ___ ______________
____________ of the heights.
Without the outlier, the
mean ________ ______________
the heights.
Feb. 11, 2011
Identify the OUTLIER
The outlier causes the mean to be __________ than all but _____ of the weights.
The outlier causes the mean to be _______________________________.
Feb. 11, 2011
30, 6, 31, 29
OUTLIER PRACTICE PROBLEMS
With the outlierWithout the outlier
Notice that including the “__” in the mean caused the mean to be _____________________!
Feb. 11, 2011
OUTLIER PRACTICE PROBLEMS
39, 30, 32, 100, 40, 1
242÷6=40With the outliers141÷4=35.25Without the outliers
Notice that including the “___” and the “__” in the mean caused the mean to be _____________ _________________________________________!
Feb. 11, 2011