Archive for June, 2006
Exact Values of Trigonometric and Inverse Trigonometric Functions
0 Comments Published June 30th, 2006 in About mathmistakes.info, TrigonometryI’ve added two new pages to mathmistakes.info. Exact Values of Trigonometric Functions let’s you test your knowledge of the values of the six trigonometric functions at all the nice angles. Values are initially hidden and can be revealed and rehidden as you wish. Exact Values of Inverse Trigonometric Functions is the companion page for values […]
Common types of algebra mistakes
0 Comments Published June 26th, 2006 in About mathmistakes.info, AlgebraThe new section on common types of algebra mistakes is now available on mathmistakes.info here. I discuss general types of mistakes under eight headings. There are many ways to categorize mistakes - I chose overarching functional categories to help students see a bigger picture when it comes to avoiding mistakes. The categories: Arithmetic Mistakes, Misunderstanding […]
What is 6 times 9?
0 Comments Published June 10th, 2006 in Mathematics Education, Calculus, Trigonometry, AlgebraIf you’re reaching for your calculator, or if you’re coming up with 56, 72, 36, 63 or even 53 (a prime number!), it’s time to learn your multiplication facts so they stick. There’s simply no excuse for not knowing these facts. Would you try to use a foreign language without bothering to commit the basics […]
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