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Pamela LemleyPamela Lemley
ECE8814/05ECE8814/05
Table of ContentsTable of Contents
IntroductionIntroduction Math Mystery CaseMath Mystery Case Ice Cream RewardIce Cream Reward
VideoVideo Fun Facts SheetFun Facts Sheet
Fun with GraphsFun with Graphs Pie ChartPie Chart Bar GraphBar Graph
Georgia Performance Georgia Performance StandardsStandards
Are You Are You Ready?Ready?
We have a mystery We have a mystery to solve!to solve!
Here’s the case…Here’s the case…
I stopped at Bruster’s for a half price I stopped at Bruster’s for a half price banana split when I overheard a little boy banana split when I overheard a little boy
bragging to his friends. bragging to his friends.
I knew right away it was Dennis I knew right away it was Dennis the Dirty Dealer, who makes the Dirty Dealer, who makes unfair deals with innocent people. unfair deals with innocent people. He once traded a crummy pair of He once traded a crummy pair of old sneakers for a brand-new pair old sneakers for a brand-new pair of Air Jordans! He could trade a of Air Jordans! He could trade a calculator for a laptop computer!calculator for a laptop computer!
I was outraged at what Dennis was saying to I was outraged at what Dennis was saying to his friends. his friends.
“Friends, step right up! Order the biggest “Friends, step right up! Order the biggest triple scoop sundaes on the menu. The ice triple scoop sundaes on the menu. The ice cream’s on me today.” cream’s on me today.” “Hey, Dennis,” asked one of his friends. “Hey, Dennis,” asked one of his friends. “Where did you get all the cash?”“Where did you get all the cash?”“From Amy, my silly little sister,” Dennis “From Amy, my silly little sister,” Dennis bragged. “She doesn’t know much about bragged. “She doesn’t know much about money, so I’ve been making deals with her money, so I’ve been making deals with her every week for a month.”every week for a month.”
I couldn’t believe whatI couldn’t believe what I was hearing! I was hearing!
Continue listening…Continue listening…You may want to take some notes!You may want to take some notes!
““The first week, I traded 5 pennies The first week, I traded 5 pennies for 1 quarter. I told her that it was for 1 quarter. I told her that it was a good deal because 5 is more a good deal because 5 is more than 1!”than 1!”
Click here to go to end of problem
““The second week, I told Amy that The second week, I told Amy that bigger coins were worth more than bigger coins were worth more than
smaller ones.” Dennis proudly smaller ones.” Dennis proudly crossed his arms in front of him. crossed his arms in front of him.
“So I traded 3 nickels for 3 dimes.”“So I traded 3 nickels for 3 dimes.”
““On the third week, I tried something On the third week, I tried something different,” Dennis bragged. “I told different,” Dennis bragged. “I told Amy that shiny coins were better Amy that shiny coins were better
than dirty paper money. So she gave than dirty paper money. So she gave me 1 dollar for 1 quarter!”me 1 dollar for 1 quarter!”
““But this week I made the dirtiest But this week I made the dirtiest deal ever,” Dennis winked. “I told deal ever,” Dennis winked. “I told
Amy that crisp new money was worth Amy that crisp new money was worth more than crumpled old money. I more than crumpled old money. I
traded 2 new dollar bills for an old 5-traded 2 new dollar bills for an old 5-dollar bill.”dollar bill.”
Super Sleuths, I was so angry!Super Sleuths, I was so angry! I couldn’t listen to another word.I couldn’t listen to another word.
““Young man, you ought to be Young man, you ought to be ashamed of yourself – stealing ashamed of yourself – stealing from your little sister!” I yelled. from your little sister!” I yelled. “You are the worst kind of thief!”“You are the worst kind of thief!”
I’m just a
little girl!
““Oh no, it’s the math detective!” Oh no, it’s the math detective!” exclaimed Dennis. “My dirty exclaimed Dennis. “My dirty
dealings have been discovered!”dealings have been discovered!”
Dennis made for the door, but I Dennis made for the door, but I swiftly grabbed him by the ear. swiftly grabbed him by the ear.
“Come back here. You pay Amy “Come back here. You pay Amy back at once or I’ll tell your parents back at once or I’ll tell your parents
about your dirty little deals!”about your dirty little deals!”
This is where you come into the This is where you come into the picture…picture…
How much money should How much money should Dennis the Dirty Dealer return to Dennis the Dirty Dealer return to
his little sister Amy? Hurry his little sister Amy? Hurry Detectives, I don’t want to have Detectives, I don’t want to have to deal with Dennis any longer to deal with Dennis any longer
than I have to!than I have to!Click here to go to the beginning of the problem
Let’s Review!Let’s Review!
Dennis traded…Dennis traded… For…For…
5 Pennies5 Pennies 1 Quarter1 Quarter
3 Nickels3 Nickels 3 Dimes3 Dimes
1 Quarter1 Quarter 1 Dollar1 Dollar
2 Dollars2 Dollars 5 Dollars5 Dollars
How much did Dennis gain from Amy?How much did Dennis gain from Amy?
Start Here!
2 dollars for 5 dollars3 dollar gain
3 nickels for 3 dimes15 cent gain
1 quarter for 1 dollar75 cent gain
5 pennies for a quarter20 cent gain
Add up all the gains…quickly… Dennis is trying to get away!
Dennis owes Amy Dennis owes Amy how much?how much?
$4.10
Congratulations Detectives!!!Congratulations Detectives!!!
You solved another
math mystery!!!
You’re not finished yet!!!You’re not finished yet!!!
My good friends at Bruster’s heard My good friends at Bruster’s heard about the horrible thing that Dennis did about the horrible thing that Dennis did
to his sister. to his sister. They told me that if I could find any They told me that if I could find any
detectives who could solve the case, detectives who could solve the case, they would give them they would give them FREE ICE CREAM!!!FREE ICE CREAM!!!
Get Your Own!!!Get Your Own!!!(Just for completing the fun facts!)(Just for completing the fun facts!)
Be Patient….Loading takes a moment!
HOWEVER…HOWEVER…
To obtain your free ice cream, To obtain your free ice cream, you must have a certificate you must have a certificate
from me!from me!
This is what you need to do:This is what you need to do: Click on the following link (make Click on the following link (make
sure internet is connected)sure internet is connected) Bruster’s Fun FactsBruster’s Fun Facts Read the fun ice cream factsRead the fun ice cream facts Answer the questions on the Answer the questions on the
activity sheet (located in the activity sheet (located in the learning station bin)learning station bin)
Place completed sheet in the Place completed sheet in the ready binready bin
There’s More!
More Ice Cream Fun…More Ice Cream Fun…Favorite Ice Cream Flavors
Chocolate Chip32%
Strawberry25%
Peanut Butter20%
Turtle15%
Vanilla8% Chocolate Chip
Strawberry
Peanut Butter
Turtle
Vanilla
Which flavor is best liked?___________________
What is the percentage of difference between 1st place and 5th place? ________________________
Check your answers with a partner!
Is Ice Cream the Favorite Snack?Is Ice Cream the Favorite Snack?
Favorite Snacks
0
2
4
68
10
12
14
16
Cake Ice Cream Candy Crackers Fruit
Snacks
Num
ber
of P
eopl
e
How do you know?
Share your answer with your partner.
Georgia Performance StandardsGeorgia Performance Standards55thth Grade Grade
M.5.4.1 Graphing: Interpret/ConclusionM.5.4.1 Graphing: Interpret/Conclusion The learner will be able to read, interpret, compare, and draw The learner will be able to read, interpret, compare, and draw conclusions from charts, tables, and graphs (e.g., pictographs, circle conclusions from charts, tables, and graphs (e.g., pictographs, circle graphs, and bar graphs).graphs, and bar graphs).
M.5.10.6 Decimals: Add/SubtractM.5.10.6 Decimals: Add/Subtract The learner will be able to use models to add and subtract decimals The learner will be able to use models to add and subtract decimals
through hundredths with and without regroupingthrough hundredths with and without regrouping .. LA.5.1.8 Critical Thinking: Reading MaterialsLA.5.1.8 Critical Thinking: Reading Materials
The learner will be able to demonstrate comprehension of a variety of The learner will be able to demonstrate comprehension of a variety of text by using critical reading skills and strategies. text by using critical reading skills and strategies.
LA.5.1.9 Directions: WrittenLA.5.1.9 Directions: Written The learner will be able to understand and follow written The learner will be able to understand and follow written instructions/directions. instructions/directions.
LA.5.1.10 Selecting: Purpose/VarietyLA.5.1.10 Selecting: Purpose/Variety The learner will be able to select a variety of sources to read for The learner will be able to select a variety of sources to read for different purposes.different purposes.
Tune in next week for Tune in next week for another episode of..another episode of..
Math Mysteries! Math Mysteries!
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