# Download e-book for kindle: Algebra in Words: A Guide of Hints, Strategies and Simple by Gregory P. Bullock Ph.D.

By Gregory P. Bullock Ph.D.

ISBN-10: 1499701551

ISBN-13: 9781499701555

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Extra resources for Algebra in Words: A Guide of Hints, Strategies and Simple Explanations

Example text

Students are also taught prime numbers, especially when learning to (prime) factor numbers. As in the example of “51” discussed previously, there tend to be some higher numbers which are not prime numbers, but may either appear to be, or students give up trying to figure out if they are through dividing up the prime numbers list, according to the suggested procedure for factoring large numbers (and finding what they are divided by). So I created a helpful tool I call a Prime Number Multiples Table.

How can you tell it isn’t prime? Because it follows the technique that: if you add the digits of a number, and that sum is a multiple of 3, then that (original) number is also divisible by 3 (and another integer). The digits 5 + 1 = 6, and 6 is clearly a multiple of 3, therefore 51 is also divisible by 3. The number 51 can be factored to (3)(17), which is actually the prime-factorization of 51. These factoring strategies are discussed more in The Procedure for Prime Factoring. Also, you will notice the number 51 in The Prime Factor Multiples Table.

When I was writing GRADES, MONEY, HEALTH, I originally intended to include a chapter on some basic math and algebra hints, but my amount of material kept growing, and I wanted to keep the book as short as possible, so I kept the math segments out. Then my math-help-notes kept growing and ultimately developed into its own book… this book, dedicated entirely to math and helping any and every math student. This is Algebra in Words. Why Do You Need Algebra? ” These are completely valid questions. On one hand, that question can be asked about any general education class which does not seem to relate to one’s major.