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  3. Kid gave a reasonable answer without all the math bullshit

Kid gave a reasonable answer without all the math bullshit

Scheduled Pinned Locked Moved Lemmy Shitpost
lemmyshitpost
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  • M [email protected]
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    N This user is from outside of this forum
    N This user is from outside of this forum
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    wrote on last edited by
    #144

    Reminds me of the stack of frozen mini pizzas you could get in the 80s.

    1 Reply Last reply
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    • W [email protected]

      Teachers that don't accept an unexpected but true answer are not teaching. The test taker had a correct take, one of the pizzas could be bigger than the other. It was not specified in the question. I am so glad I am out of school

      rubberelectrons@lemmy.worldR This user is from outside of this forum
      rubberelectrons@lemmy.worldR This user is from outside of this forum
      [email protected]
      wrote on last edited by
      #145

      It really seemed like my fellow students lost their interest in math as we went through the grades here in the US.

      I still remember a kid in 2nd grade who learned how Roman numerals worked because they were interesting. By grade 6, actively detested math.

      Curious.

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      • M [email protected]
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        steve@communick.newsS This user is from outside of this forum
        steve@communick.newsS This user is from outside of this forum
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        wrote on last edited by
        #146

        I had situations like this at least a few times a year in school.
        I usually managed to convince the teacher I was right.

        And yah this kid is almost certainly ND.
        Not just the answer, but the handwriting screams dysgraphia.
        It looks a lot like mine.

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        • M [email protected]
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          R This user is from outside of this forum
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          wrote on last edited by
          #147

          Ahh, fractions and word problems, the bane of my education (seriously, why do we bother with fractions when decimals are easier to compute and express?)

          J gerryflap@feddit.nlG 2 Replies Last reply
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          • M [email protected]
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            a_chilean_cyborg@feddit.clA This user is from outside of this forum
            a_chilean_cyborg@feddit.clA This user is from outside of this forum
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            wrote on last edited by
            #148

            i can't fathom this being real, most probably this was made for karma farming or something.

            C 1 Reply Last reply
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            • a_chilean_cyborg@feddit.clA [email protected]

              i can't fathom this being real, most probably this was made for karma farming or something.

              C This user is from outside of this forum
              C This user is from outside of this forum
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              wrote on last edited by
              #149

              Also what teacher uses a green felt tip pen?

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              • B [email protected]

                Not true. Marty could have also eaten pizza that was not his.

                W This user is from outside of this forum
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                wrote on last edited by
                #150

                No, "Marty ate 4/6 of his pizza"

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                • R [email protected]

                  Ahh, fractions and word problems, the bane of my education (seriously, why do we bother with fractions when decimals are easier to compute and express?)

                  J This user is from outside of this forum
                  J This user is from outside of this forum
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                  wrote on last edited by
                  #151

                  Man, if you can't understand fractions, you don't actually understand the math, you're just trained to use a formula.

                  R 1 Reply Last reply
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                  • J [email protected]

                    Man, if you can't understand fractions, you don't actually understand the math, you're just trained to use a formula.

                    R This user is from outside of this forum
                    R This user is from outside of this forum
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                    wrote on last edited by
                    #152

                    I understand fractions, I simply doubt their utility.

                    J K 2 Replies Last reply
                    0
                    • R [email protected]

                      I understand fractions, I simply doubt their utility.

                      J This user is from outside of this forum
                      J This user is from outside of this forum
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                      wrote on last edited by
                      #153

                      Saying shit like that implies you don't really get that they are the same thing.

                      1 Reply Last reply
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                      • R [email protected]

                        Ahh, fractions and word problems, the bane of my education (seriously, why do we bother with fractions when decimals are easier to compute and express?)

                        gerryflap@feddit.nlG This user is from outside of this forum
                        gerryflap@feddit.nlG This user is from outside of this forum
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                        wrote on last edited by
                        #154

                        Imo fractions are way more simple in many cases than decimal numbers. Saying 1/3rd is way more useful than hitting someone with the 0.33333333333333....
                        Quick mental computations with fractions are also simpler in this case. Though this question (and questions like it) seem useless to me indeed.

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                        • R [email protected]

                          I understand fractions, I simply doubt their utility.

                          K This user is from outside of this forum
                          K This user is from outside of this forum
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                          wrote on last edited by
                          #155

                          For example, they allow you to write

                          1/3 + 1/3 + 1/3 = 1

                          Which is not possible in decimal

                          J 1 Reply Last reply
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                          • K [email protected]

                            For example, they allow you to write

                            1/3 + 1/3 + 1/3 = 1

                            Which is not possible in decimal

                            J This user is from outside of this forum
                            J This user is from outside of this forum
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                            wrote on last edited by
                            #156

                            well, no, it's understood that a third is .333 to infinity, so .333+.333+.333 does equal 1 for any use not requiring precision to the point of it mattering that it was actually .33333335 when measured.

                            K 1 Reply Last reply
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                            • J [email protected]

                              well, no, it's understood that a third is .333 to infinity, so .333+.333+.333 does equal 1 for any use not requiring precision to the point of it mattering that it was actually .33333335 when measured.

                              K This user is from outside of this forum
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                              wrote on last edited by
                              #157

                              No. You wrote .333

                              If you want to precisely write to infinity you write 1/3.

                              actually .33333335

                              Holy fuck. Where did that 5 come from?

                              J 1 Reply Last reply
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                              • K [email protected]

                                No. You wrote .333

                                If you want to precisely write to infinity you write 1/3.

                                actually .33333335

                                Holy fuck. Where did that 5 come from?

                                J This user is from outside of this forum
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                                wrote on last edited by
                                #158

                                It came from it not being actually .333 to infinity when measured in the required engineering precision i was talking about. It's literally a "common use" mathematical convention (you clearly are unaware of) that three times .333 is one. Solves a lot of problems due to a failure of the notation.

                                K 1 Reply Last reply
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                                • J [email protected]

                                  It came from it not being actually .333 to infinity when measured in the required engineering precision i was talking about. It's literally a "common use" mathematical convention (you clearly are unaware of) that three times .333 is one. Solves a lot of problems due to a failure of the notation.

                                  K This user is from outside of this forum
                                  K This user is from outside of this forum
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                                  wrote on last edited by
                                  #159

                                  3 times 0.333 is 0.999 not 1.

                                  Saying it equals 1 may be a common engineering convention, but it is mathematically incorrect.

                                  There is no failure of notation if fractions are used, which is why I gave this example of usefulness.

                                  J 1 Reply Last reply
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                                  • K [email protected]

                                    3 times 0.333 is 0.999 not 1.

                                    Saying it equals 1 may be a common engineering convention, but it is mathematically incorrect.

                                    There is no failure of notation if fractions are used, which is why I gave this example of usefulness.

                                    J This user is from outside of this forum
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                                    wrote on last edited by
                                    #160

                                    You knows when a person informs you of a convention people use to solve a problem created by notation, you could just fucking learn instead of arguing stupidity.

                                    K 1 Reply Last reply
                                    0
                                    • J [email protected]

                                      You knows when a person informs you of a convention people use to solve a problem created by notation, you could just fucking learn instead of arguing stupidity.

                                      K This user is from outside of this forum
                                      K This user is from outside of this forum
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                                      wrote on last edited by
                                      #161

                                      Your chosen notation solves nothing. Try Representing 3227/555 using 4 trailing dots.

                                      I started here by showing how fractions are useful.

                                      You are the ignorant aggressor, trying to fight centuries of mathematicians by claiming decimals are always better.

                                      J 1 Reply Last reply
                                      0
                                      • K [email protected]

                                        Your chosen notation solves nothing. Try Representing 3227/555 using 4 trailing dots.

                                        I started here by showing how fractions are useful.

                                        You are the ignorant aggressor, trying to fight centuries of mathematicians by claiming decimals are always better.

                                        J This user is from outside of this forum
                                        J This user is from outside of this forum
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                                        wrote on last edited by
                                        #162

                                        do...do you even know where you are right now?

                                        K 1 Reply Last reply
                                        0
                                        • J [email protected]

                                          do...do you even know where you are right now?

                                          K This user is from outside of this forum
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                                          wrote on last edited by
                                          #163

                                          Same place as you, doing the same thing.

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