Saturday, February 16, 2008

Interesting sites

Here are two interesting websites on mathematics:

Cool Math Sites

A comprehensive list of links on mathematics. Very useful for research on elementary topics in mathematics.

Math Mistakes

A very good site that offers a variety of examples of mistakes made by students. Math topics covered includes algebra, trigonometry and Calculus.

Wednesday, February 06, 2008

Lateral Thinking: Math Brainteasers

Here are a few brain teasers in mathematics that requires you to think creatively.

Add 1 continuous line in each question to make the following correct:
  1. V-IV=IV
  2. 1+2=3
  3. 5+5+5=550
  4. IX=6
  5. 5105=4.55
Shift 1 digit to make the following correct:

6. 62-63=1