I've evaluated your "insider report" thus far, and found 10 rather alarming problems with the material to date.
- In one video, you don't write the second midpoint equation for the y co-ordinate, you just say "see it's an average - easy", that's extremely unclear. You also failed to draw the simple geometry which illustrates why the midpoint can be found using those geometries.
- In the same video, you write down the linear distance equation, y = sqrt((y2-y1)^2 + (x2 - x1)^2)) and say "forget that, use pythag(oras) instead"... This is highly confusing thing to say, as that equation IS pythagoras. Instead, you should be showing that a = x2 - x1 and b = y2 - y1, which is a good misconception to clear up. Unfortunately, you only made it more confusing.
- In a 2nd video, you simply say "gradient is rise/run" and start talking about steepness qualitatively, when it's quite simple to show that steepness means for a gradient of a/b, rising a units up for every b units that have run to the right. Again, quite simple, yet knowledge you were either too lazy, or too inexperienced to convey.
- Also in your 2nd video, as kenhung mentioned, you drew a y = -3x graph missing hte origin COMPLETELY. You didn't even draw attention to it and explain that you'd made a mistake, just acted like you'd drawn it correctly
- In one of your first e-mails to students, you unashamedly insult teachers calling them fat, lazy and only in it for the money. Of course, there is a clarification saying "NOT ALL TEACHERS ARE LIKE THIS" but this is pretty cheap of you, and rather immature.
- Not to mention, you seem to have taken the "school" variable from your signup page when you say "I don't know about the teachers at <insert student's school>, but most of them are crap" (paraphrased, cbf reading your bilge again), which means that if at least one person from every single school signs up to your website, then you're working off no knowledge of teachers whatsoever by your own admission. Perhaps you should back up your derisive, insulting claims with examples?
- In another e-mail you send out a copyrighted piece of ENTER Calculator software without actually mentioning the creator, Bryn Humberstone
- That ENTER calculator is from 2006, and has specialist maths still scaling to 55, and many other subjects with stupid scaling that no longer exists. You know about entercalc.syte.cc, yet you still refuse to link to it. I wonder why you'd willingly give students off information?
- You also do this in the 2nd attachment of yours, citing ENTER vs. average study scores off a table you said you made years ago. Do you not know that this table should change on a yearly basis?
- And you're recommending that they learn the gallery of graphs before they do linear graphs? Are you insane? You mention learning how to find x and y intercepts AFTER learning these 11 graphs... It's much easier to learn "find x-int when y = 0" for a linear graph, and then extend that knowledge to the more complicated gallery.
You are either intellectually lazy and disingenuous, or just lack much knowledge in maths, and of how the VCE system works. Either way, I would not waste my time on this newsletter if I were anyone here. In fact, subscribing to this and listening to your advice could well damage your maths methods performance.
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