Knowing Your Math
IN THIS CHAPTER
Understanding math-talk and basic concepts
Finagling fractions and decimals
Brushing up on positive and negative numbers
Getting into roots, exponents, and quadratics
Digging into algebra and geometry
Lazarus Long, a fictional character created by Robert A. Heinlein, once said, “Anyone who cannot cope with mathematics isn’t fully human. At best, he is a tolerable subhuman who has learned to wear shoes, bathe, and not make messes in the house.”
Perhaps Mr. Long’s observation is a little harsh. Some people seem to be born mathematicians, while others struggle with many of its concepts. The fact remains, however, that the military seems to agree with Mr. Long. You can’t join the military without proving that you know the fundamentals of math. Fully 50 percent of your AFQT score is based on your ability to solve math problems. And as I indicate in Chapter 2, your AFQT score determines whether you can join the military.
The good news is that ...