1 - 12/15 = 4/5
#thingsmystudentswrite
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OK, even I'm concerned now that Google+ may actually be dying. Look at this plot. It's my follower count. I usually don't care ... -
Thank you, Lego, for letting me simply tell you online which parts were missing from the boy's Christmas present and sending them to me,...
They're optimistic, glass half full kinda kids.
ReplyDeleteIt clearly should be 2/5...
ReplyDeleteStill optimistic^
ReplyDelete[spit take]
ReplyDeleteTotally going to fail that puzzle in KOTOR where you have to balance the tanks ...
ReplyDeleteI can totally follow what happened in the student's mind. Improper organization/notation in the solving, and reading his/her own work too quickly to catch the shortcut notation just executed.
ReplyDelete15/15 - 12/15 = 3/15 = 1/5
ReplyDeleteA new type of maths.
ReplyDeleteJoseph Milan Clearly if you remove the 1's from 12 and 15 you get 2 and 5 like the question says... take away 1 from 12 or 15... put the slash line or symbol back in there because it isn't part of what you need to take away and you are left with 2/5... 2 or 5.... simple.
ReplyDeleteEither that or the answer is 0.2
1 - 12/15 = 1 - 0.8 = 0.2
Hooray for New Math, Newwwwww Math. It won't do you a bit of good to review math. It's so simple, so very simple, that only a child can do it!
ReplyDelete-- New Math, by Tom Lehrer
Now that I think on it...
ReplyDeleteThe answer is -11 or -14
1 - 12/15 = 1 - 12 or 1 - 15...
The real question is, can this be solved on Facebook?
ReplyDelete12/15 IS a fraction!!!
ReplyDeleteUnfortunately, Ray of Sunshine, that IS "showing their work"...it's just wrong.
ReplyDeleteRay of Sunshine 12/15= 4/5
ReplyDeleteWhen they reduced the fraction, they wrote it just like that.
Instead of continuing to figure out 1 - 4/5, they just saw the equals sign, stopped thinking, and moved on to the next problem. It's a lack of organization/structure, plus rushing.
15-12/15=1/5
ReplyDelete