Mathematics Educators Weekly Newsletter - Thursday, November 24, 2016

Mathematics Educators newsletter

Top new questions this week: How to explain what is wrong in this "proof"? Here is the problem that I asked undergraduate students of an introductory number theory course to prove: Prove that if $N$ is a nonsquare natural number, then $\sqrt N $ is irrational. Many ... proofs number-theory   asked by Amir Asghari 4 votes answered by Daniel Hast 4 votes Test of level of a student for secondary school I am looking for a test, paper based, execution time less than one hour, for an initial assessment of the math knowledge level of a secondary school student. I need to evaluate, very approximately, ... secondary-education assessment testing   asked by pasaba por aqui 4 votes Entetaining/fun books about mathematics for (basically) liberal arts students I'm looking for books of a general interest in maths, like a maths novel, a fun book about maths, a humorous introduction to higher concepts, something outside of tests, something they can read on ... undergraduate-education mathematics-in-daily-life recreational-learning   asked by dsatkas 1 vote GRE Geometry Reference Request? My brother is taking the normal GRE (not the math subject test), and I need to help him learn geometry. I know basic geometry myself, but I need a book that will present it well and will have good ... reference-request geometry   asked by Ovi 1 vote answered by Joseph O'Rourke 2 votes Greatest hits from previous weeks: How to assign homework when answers are freely available or attainable online? I find that making homework meaningful is becoming increasingly challenging. Let us suppose that I am planning for next semester's first-semester or second-semester calculus course at my university. ... course-design homework   asked by mixedmath 73 votes answered by JDH 82 votes How do I nicely tell my coworkers that they are NOT mathematicians? I teach for a company along with a large group of teachers, almost all of which are people who have graduated with the standard Bachelor level education in Education and Science/Mathematics. I am ... secondary-education   asked by Trogdor 14 votes answered by Dirk 31 votes Proof of why BODMAS (or BIDMAS) works? In my first full-time teaching post, it is very likely that I'll need to be teaching a small amount of GCSE Mathematics to students retaking it. One thing that has been bugging me is that I can't seem ... notation arithmetic-operations calculations   asked by omegaSQU4RED 9 votes answered by Daniel Hast 39 votes

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