Find the Missing Value
What is 15% of 34
5.1
A board game cost $30 you buy it for 15% off. How much does it cost now?
$4.50 discount.
You pay: 30 - 4.50 = $25.50
What is percent change from 54 to 34.
37% decrease.
You want to survey faculty at PRMS about what the best parking spot is! You conduct a survey where you ask every other car in the first, third, and fifth row of the parking lot what spot is the best. Is this a random survey?
No, because you only asked cars in odd rows not every faculty member has an equal chance in participating.
Who is Ms. Serrao's favorite musical artist?
Billie Eilish
What percent of 88 is 33?
37.5%
A jacket originally costs $165 and is on sale for 22% off. How much is the discount?
0.22 * 165 = $36.30 off
A Bluetooth speaker originally cost $289 but is marked up to $315. What is the percent change? Include increase or decrease.
9% increase
An owner of a gym wants to conduct a survey to know what is the preferred music to be played in the gym while people workout. How can the owner conduct a representative sample. Be as specific as possible.
Answers vary.
Name 2 places Ms. Serrao has traveled!
Italy, Spain, Hawaii, Arizona, California, France, England...
What is 125% of 56?
70
Harry takes out a loan to purchase a Nimbus 7000. If Harry borrows $750 over 42 months at an interest rate of 8.5%, how much will he owe in interest?
I = Prt
I = (750)(.085)(3.5)
= $223.13
FUN SLIDE!!!!!!
Do a dance to earn your points!
woohoo great dance moves!
Gavin is conducting a survey to see what is the most popular shoe brand amongst his peers at PRMS. He conducts a random survey of 27 students at the school. 9 prefer Nike, 11 prefer Converse, and 7 prefer Uggs. If there are 975 students in the school, how many would you expect to prefer Uggs?
About 253 students.
What is Ms. Serrao's nephews name?
Baby Ray!
85% of what number is 68?
57.8
You buy a jacket for 30% off. You paid $62.98. How much did the jacket cost originally?
$89.97
Makenzie is buying a rug for her room. She thought the rug was 4ft x 6ft but the rug was actually 5ft x 7ft. What is the percent error in the area of the rug?
Estimated: 4x6 = 24ft
Actual: 5x7 = 35ft
% Error = 31% error.
The following box plot shows the monthly high temperatures for Dallas and Boston. Which city has more variation in their temperatures? Show your work.
Boston has more variation in temperature.
IQR Boston: 84-45 = 39
IQR Dallas: 90 - 67 = 23
What is Ms. Serrao's favorite candy?
Reese's
49 is 8% of what number?
612.50
Yashvi bought the Dyson Hair Dryer for $430 and the Beast Blender for $195 to give as holiday gifts. She has a special 30% discount code for the Hair Dryer ONLY and $25 off coupon for the Blender ONLY. If sales tax is 7% ON BOTH how much will Yashvi pay in total?
$503.97
Misha calculates how long it will take her snowman to melt. It actually took 90 minutes. She had 7% error. What are her two guesses for how long it it would take for her snowman to melt?
.07 * 90 = off by 6.3 minutes
Guess either 96.3 minutes or 83.7 minutes
Ahana took turns pulling 10 marbles out of a bag. The marbles could either be green or purple. Ahana repeated this process 24 times and recorded the result of purple marbles in the following dot plot. If there are 100 marbles in the bag, how many would you expect to be purple.
Median:4.5 4.5/10 = 45/100
Mean: 4
4/10 = 40/100
Name 3 classes Ms. Serrao has taught...
Math 7, Pre-Algebra, Algebra Part 1, Math6, Math 8, Science 6th, 5th grade!