the coin jar mystery. the problem tyler's hardware store is having a contest to guess the the...
TRANSCRIPT
![Page 1: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/1.jpg)
The Coin Jar Mystery
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The Problem
Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for a free IPOD the entry must contain both the exact number of coins in the jar and the exact number of each type of coin. Mr. Tyler has provided several clues to help you guess the correct answer. Can you solve the mystery?
![Page 3: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/3.jpg)
The Clues
•There are 23 more pennies than nickels.
= 23 +
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The Clues
• There are 23 more pennies than nickels.• There are 3 times as many quarters as nickels.
= 3 x
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The Clues•There are 23 more pennies than nickels.
•There are 3 times as many quarters as nickels.
•There are 1/3 fewer dimes than quarters.
= 2/3 x
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The Clues
• There are 23 more pennies than nickels.
• There are 3 times as many quarters as nickels.
• There are 1/3 fewer dimes than quarters.
• There is $45.78 in the jar.
![Page 7: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/7.jpg)
How Can I Solve?
Get in your quads and talk about what strategies you might use to solve this problem.
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How Can I Solve?Possible Strategy
Create a TableQuarters Nickels Dimes Pennies
? ? ? ?
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How Can I Solve?Possible Strategy
Create an Equation
y =3x + 7
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How Can I Solve?Possible Strategy
Guess and Check
28? 50? 75?
15? 7?
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Solve by Creating a Table
Create a table using Excel
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Nick’s Batting Average
• Nick wants top keep track of his batting average and on base percentage throughout the season.
• So he created an Excel spreadsheet to handle the computations.
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Nick’s Statistics
• 1/3 of the way through the season Nick has the following stats.
• 28 at bats
• 11 hits
• 7 walks
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Nicks Batting Average
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To Find Batting AverageFormula Bar =B6/A6
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To Find On Base PercentageFormula Bar = (B6+C6)/A6
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The Problem
Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for a free IPOD the entry must contain both the exact number of coins in the jar and the exact number of each type of coin. Mr. Tyler has provided several clues to help you guess the correct answer. Can you solve the mystery?
![Page 20: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/20.jpg)
Review The Clues
• There are 23 more pennies than nickels.
• There are 3 times as many quarters as nickels.
• There are 1/3 fewer dimes than quarters.
• There is $45.78 in the jar.
![Page 21: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/21.jpg)
Getting Started Set Up Columns
• Create a column for number of quarters.
• Create a column for value of quarters.
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Getting Started Set Up Columns
• Create a column for number of quarters.
• Create a column for value of quarters.
• Create a column for number of dimes.
• Create a column for value of dimes.
![Page 23: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/23.jpg)
Getting Started Set Up Columns
• Create a column for number of quarters.
• Create a column for value of quarters.
• Create a column for number of dimes.
• Create a column for value of dimes.
• Create a column for number of nickels.
• Create a column for value of nickels.
![Page 24: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/24.jpg)
Getting Started Set Up Columns
• Create a column for number of quarters.• Create a column for value of quarters.• Create a column for number of dimes.• Create a column for value of dimes.• Create a column for number of nickels.• Create a column for value of nickels.• Create a column for number of pennies.• Create a column for value of pennies.
![Page 25: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/25.jpg)
Final 2 Columns
• Create a column for total number of coins.
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Final 2 Columns
• Create a column for total number of coins.
• Create a column for total value of coins.
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Set Up Columns
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Final StepsSet up Formulas
• To calculate value of quarters.
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Final StepsSet up Formulas
• To calculate value of quarters.
• To calculate value of dimes.
![Page 30: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/30.jpg)
Final StepsSet up Formulas
• to calculate value of quarters.
• to calculate value of dimes.
• to calculate value of nickels.
![Page 31: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/31.jpg)
Final StepsSet up Formulas
• to calculate value of quarters.
• to calculate value of dimes.
• to calculate value of nickels.
• to calculate value of pennies.
![Page 32: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/32.jpg)
Final StepsSet up Formulas
• to calculate value of quarters.
• to calculate value of dimes.
• to calculate value of nickels.
• to calculate value of pennies.
• to calculate total number of coins.
![Page 33: The Coin Jar Mystery. The Problem Tyler's Hardware store is having a contest to guess the the number of coins in a jar. To be entered in a drawing for](https://reader036.vdocuments.us/reader036/viewer/2022070402/56649f255503460f94c3bfdf/html5/thumbnails/33.jpg)
Final StepsSet up Formulas
• to calculate value of quarters.
• to calculate value of dimes.
• to calculate value of nickels.
• to calculate value of pennies.
• to calculate total number of coins.
• to calculate total value of coins.