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I mean how the fuck else

Scheduled Pinned Locked Moved ADHD memes
adhd
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  • stamets@lemmy.worldS [email protected]
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    wrote last edited by
    #8

    I don't think this has anything to do with ADHD, it's just a little shortcut you can use when doing math in your head. I was taught techniques like this in school when we learnt addition and subtraction etc.

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    61
    • M [email protected]

      Isn't this how they teach math now?

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      wrote last edited by
      #9

      I’m 40 years old, and that’s how I was taught. We were quizzed up to 12x12, and that’s way too many products to handle with just rote memorization.

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      • stamets@lemmy.worldS [email protected]
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        wrote last edited by
        #10

        This is just what's called the "common core method". It's now the preferred method of teaching math in many Western countries.

        gandalf_der_12te@discuss.tchncs.deG 1 Reply Last reply
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        • stamets@lemmy.worldS [email protected]
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          wrote last edited by
          #11

          Can we stop making every little thing about ADHD? This is just a common way to do arithmetic

          S P buboscandiacus@mander.xyzB T A 5 Replies Last reply
          130
          • stamets@lemmy.worldS [email protected]
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            wrote last edited by [email protected]
            #12
            6+6 = 12
            +1 = 13
            
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            • stamets@lemmy.worldS [email protected]
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              wrote last edited by
              #13

              This has nothing to do with ADHD.

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              • stamets@lemmy.worldS [email protected]
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                wrote last edited by
                #14

                The way i calculate this, is knowing that 7 is 10-3, and 6 is 3+3.

                So, 7 + 6 = 10 + 3 = 13

                rustyfish@lemmy.worldR 1 Reply Last reply
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                • P [email protected]

                  Can we stop making every little thing about ADHD? This is just a common way to do arithmetic

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                  wrote last edited by
                  #15

                  Normal people: breathing

                  Me: breathing in ADHD

                  F 1 Reply Last reply
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                  • stamets@lemmy.worldS [email protected]
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                    wrote last edited by [email protected]
                    #16

                    The way I do it:

                    6+6 = 12 +1 = 13

                    Dunno how relevant calculating is to ADHD, but it is fun to see how people calculate things in their heads in different ways.

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                    • P [email protected]

                      Can we stop making every little thing about ADHD? This is just a common way to do arithmetic

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                      wrote last edited by
                      #17

                      Adding up to 10, like the other comment explains, is the common way. Using 14 as intermediate step suggests a different way of thinking. OP could be on to something if that's normal to you.

                      7 + 6 = 10 + 3 = 13

                      P 1 Reply Last reply
                      13
                      • stamets@lemmy.worldS [email protected]
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                        wrote last edited by
                        #18

                        Six is two threes and seven plus three is ten so then we have the leftover three and add that to get thirteen.

                        Also, not everything is ADHD.

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                        • P [email protected]

                          Can we stop making every little thing about ADHD? This is just a common way to do arithmetic

                          buboscandiacus@mander.xyzB This user is from outside of this forum
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                          wrote last edited by
                          #19

                          Yeah, kinda annoying

                          Btw this might break rule 1, sincerely idk

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                          5
                          • M [email protected]

                            The way i calculate this, is knowing that 7 is 10-3, and 6 is 3+3.

                            So, 7 + 6 = 10 + 3 = 13

                            rustyfish@lemmy.worldR This user is from outside of this forum
                            rustyfish@lemmy.worldR This user is from outside of this forum
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                            wrote last edited by
                            #20

                            Kinda the same.

                            I need 3 to get to 10 from 7. After that just ad the rest (6-3). Resulting in 13.

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                            • stamets@lemmy.worldS [email protected]
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                              wrote last edited by
                              #21

                              everything calculated in my head is just various examples of this daisy chained together

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                              13
                              • stamets@lemmy.worldS [email protected]
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                                wrote last edited by
                                #22

                                I'm pretty sure they just had us brute-force memorize all of the single digit additions and multiplications in grade school. Seemed to work out okay for me.

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                                5
                                • P [email protected]

                                  Can we stop making every little thing about ADHD? This is just a common way to do arithmetic

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                                  wrote last edited by
                                  #23

                                  Came to the comments for this, always done it this way!

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                                  • stamets@lemmy.worldS [email protected]
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                                    wrote last edited by
                                    #24

                                    generation gap happening here. common core wasn't a thing for a lot of us, it's brand new.

                                    i do math the "common core" way not because it was taught to me but because the old methods didn't work and i had to figure it out on my own.

                                    it may not be strictly "an adhd thing" but society made it so for a time.

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                                    • stamets@lemmy.worldS [email protected]
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                                      wrote last edited by [email protected]
                                      #25

                                      7+6

                                      =8+5

                                      =9+4

                                      =10+3

                                      =13

                                      1 Reply Last reply
                                      7
                                      • P [email protected]

                                        Adding up to 10, like the other comment explains, is the common way. Using 14 as intermediate step suggests a different way of thinking. OP could be on to something if that's normal to you.

                                        7 + 6 = 10 + 3 = 13

                                        P This user is from outside of this forum
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                                        wrote last edited by
                                        #26

                                        Some people have 7+6 = 13 memorized.

                                        Some do 1+6+6 = 1+12 = 13.

                                        Some use offsets from 5, like 5+1+5+2 = 2*5 + 3 = 13

                                        Hell I'm sure somebody did it like 10 - 4 + 10 - 3 = 20 - 7 = 10 + 10 - 7 = 10 + 3 = 13

                                        P 1 Reply Last reply
                                        12
                                        • P [email protected]

                                          Some people have 7+6 = 13 memorized.

                                          Some do 1+6+6 = 1+12 = 13.

                                          Some use offsets from 5, like 5+1+5+2 = 2*5 + 3 = 13

                                          Hell I'm sure somebody did it like 10 - 4 + 10 - 3 = 20 - 7 = 10 + 10 - 7 = 10 + 3 = 13

                                          P This user is from outside of this forum
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                                          wrote last edited by
                                          #27

                                          Now determine the correlation between the various methods and adhd. My guess is that people with adhd are more likely to use the more exotic methods.

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