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Math Help - Calculate grade needed on a final based on current grade

  1. #1
    Junior Member
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    Calculate grade needed on a final based on current grade

    Hello, I am wondering, because my grade in Math right now is so high and above what you need for an A in my class, that if I could completely bomb the final and still have an A.

    Right now, I have a 95.00% exactly. I need to have greater than or equal to an 86.00% in the class to have an A.

    If I have:

    37.1 / 40.0 points in Tests category which is worth 50% of my grade,
    19.1 / 20.0 points in Quiz category which is worth 30% of my grade,
    45.0 / 45.0 points in Homework category which is worth 20% of my grade,

    And the final will go under the tests category as two independent grades each being worth 5 points. Example: If I get a 4.2 on the final (out of 5) then it will go in as 4.2 two times. Just mainly for emphasis just because it's a final exam.

    Therefore, what do I need to get on this final to keep my A, if nothing else is added to the gradebook?

    Thanks!
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  2. #2
    MHF Contributor
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    South Coast of England
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    Hello qcom
    Quote Originally Posted by qcom View Post
    Hello, I am wondering, because my grade in Math right now is so high and above what you need for an A in my class, that if I could completely bomb the final and still have an A.

    Right now, I have a 95.00% exactly. I need to have greater than or equal to an 86.00% in the class to have an A.

    If I have:

    37.1 / 40.0 points in Tests category which is worth 50% of my grade,
    19.1 / 20.0 points in Quiz category which is worth 30% of my grade,
    45.0 / 45.0 points in Homework category which is worth 20% of my grade,

    And the final will go under the tests category as two independent grades each being worth 5 points. Example: If I get a 4.2 on the final (out of 5) then it will go in as 4.2 two times. Just mainly for emphasis just because it's a final exam.

    Therefore, what do I need to get on this final to keep my A, if nothing else is added to the gradebook?

    Thanks!
    At present, your mark is 95.025%.

    If your final test is effectively worth 10 marks (being counted double) and you score 0 on it, you will have 37.1 / 50.0 in Tests category. This would bring your final mark down to 85.75% - which would give you a grade A only if it gets rounded up to the nearest whole number.

    To be sure, you would need to score at least 0.15 / 5 (counting as 0.3 out of 10 and giving you 37.4 / 50.0). This would give you a final mark of 86.05%.

    But you need to be careful. Some grading systems operate on a 'minimum threshold' basis, whereby you need to score a minimum of a certain minimum mark in each test. So - go for the highest mark you can!

    Grandad
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