Monday, March 26, 2012

Challenge #3: Making Decisions

There are 60 sixth-grade students at Kalvin’s school. The students need to choose someone to wear the mascot costume on field day.

Huey: We can give everyone a number from 1 to 60. Then, we can roll 10 number cubes and add the results. The person whose number is equal to the sum wears the costume.


Sal: That doesn’t seem fair. Everyone should have a number from 0 to 59. In one bag, we can have blocks numbered 0 to 5. In another bag, we can have blocks numbered 0 to 9.We can select one block from the first bag to represent the tens digit and one block from the second bag to represent the ones digit.

1) Do you agree with Huey’s idea? Explain your reasons.

2) Do you agree with Sal’s idea? Explain your reasons.

9 comments:

  1. #Huey is wrong his idea is not fair because if the person number is one it is not possible they can win because their is no zero's on the cube so evrybody does not get a equally likely chance. I agree with sal because everybody has a chance of winning 1/59

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  2. Yes we agree with Huey's idea because everyone has an equal chance of wining. In Huey's idea he includes everyone and everyone has a 1 out of 60 chance of winning.

    We don't agree with Sal's idea because you're leaving one person out so messes up everyone's equal chance of winning. Then it would be 1 out of 59.

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  3. none of there games are fair because they all dont have the same probably

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  4. @ Brenda And Judie

    IGNORE THAT !

    We agree with Sal's idea because everyone has an equal chance. If you test Huey's idea the lowest number you can ever get is a 10. With Sal's you have 1 out of 59 chance. Since someone is also 0 they're not leaving out no one.

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  5. I agree with huey because his idea is fair and makes more sense than Sals idea

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  6. for challenge 1 ethan is right becuase the spinner has 4 equal parts for the 4 sports.

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  7. Huey is wrong b/c it is not fair for numbers 1-9
    Sal is right b/c everyone has a equal chance 1 out of 59 chance of winning

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  8. For challenge 3 Sal is right because for Huey if you have a short number like 9 it's impossible because they are rolling ten dice.

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  9. Ethan is right b/c all of them have a equal chance 1/4
    Ava is right b/c their is a 1/4 chance of picking each sport

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