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    fiona1's Avatar
    fiona1 Posts: 1, Reputation: 1
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    #1

    Nov 30, 2011, 10:05 PM
    Help working out a number sequence?
    A grade 3 puzzle :) Why are the three numbers (3,34,10) excluded in the following sequence (Note this was shown in Roman numerals)
    1,2,5,6,7,8,9,11,12,13
    Any help most appreciated?
    Wondergirl's Avatar
    Wondergirl Posts: 39,354, Reputation: 5431
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    #2

    Nov 30, 2011, 10:17 PM
    Do you mean 3, 4, and 10 were excluded? (not 34)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Dec 1, 2011, 06:41 AM
    You're saying the sequence was given in Roman numerals as:

    I, II, V, VI, VII, VIII, IX, XI, XII, XIII

    and they ask why III, IV, and X are excluded - is that right?

    Given this is for 3rd grade I doubt this is really a math problem. Was any other information provided? A picture perhaps, or is it part of a story?
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