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author: zachary

zachary
zachary is a former mechanical engineer and current high school physics, math, and computer science teacher. he graduated from mcgill university in 2011 and spent time in the automotive industry in detroit before moving into education. he has been teaching and tutoring for the past five years, but you can also find him adventuring, reading, rock climbing, and traveling whenever the opportunity arises.

  • sat “identifying sentence error” writing multiple choice

    you get two writing multiple choice sections on the sat. one of those two is a short section—only ten minutes and 14 questions—and is made up entirely of improving sentence questions. the other one is longer and has all three types of writing multiple choice questions. that 25 minute section is the bulk of where…

  • sat math review: sequences

    you’ll probably get one or two questions about sequences on your sat. since they’re not a really big deal, don’t start your sat studies here. instead, spend some time on the bigger issues, like sat geometry and sat graphs. but if you’ve already mastered those, then it certainly doesn’t hurt to dig into the smaller…

  • number properties and factor trees on the sat

    sat math loves number properties almost as much as it loves triangles. of course, that’s actually a wide range of topics. number properties describe how integers can be broken down, combined, or worked with in different ways; exponent patterns, odds and evens, positives and negatives, and divisibility all fall under the number property umbrella, as…