I need to go back to the 4th grade

I started an after school coding course for 4 – 8th grade using Small Basic yesterday.  I am learning a lot.  I am learning that 4th graders do not have x,y coordinate knowledge yet.  Opps.  That is going to make any fancy turtle graphics a bit of a challenge.  The solution?  Teach 4th graders x,y coordinates.   They seem pretty game.

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3 Responses to “I need to go back to the 4th grade”

  1. codeinfig Says:

    “I am learning that 4th graders do not have x,y coordinate knowledge yet. Opps. That is going to make any fancy turtle graphics a bit of a challenge. The solution? Teach 4th graders x,y coordinates.”

    Great idea. It’s just a number line (they probably don’t teach number lines anymore either) and another number line. I tell people “It’s how many dots from the left of the screen, and how many dots from the right.” That’s not strictly Cartesian, well, it’s one of the quadrants (ii?) Either way, “dots from this side, and dots from the top” works fine. Happy teaching!

  2. gflint Says:

    I told them they are now in the accelerated 4th grade.

  3. jimmanleyblog Says:

    Any time something says, “So easy a child can do it”, I immediately go find a child (the younger, usually the better) and have them explain it or, even better, take care of the problem!

    The problem with Cartesian coordinates is that they’re dependent on Rene DeCartes being on duty. Once he croaked, the world just hasn’t been right … as in orthogonal … ask one of them young-un whippah-snappahs if you don’t get that joke 😀

    Of course, in 3-D graphics, the x and y axes are oriented the “correct” way, where positive x points to the right, positive y points upward, and positive z points out of the display toward the loose nut behind the keyboard 😉

    As for turtle graphics, once the kids realize that they’re the turtle, the rest of it just kinda happens automagically … if they’ve managed to sort out their left from their right, which I’ve found can be a problem for some Southpaws and dyslexics …

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