# Master math: Basic Math and Pre-Algebra by Debra Anne Ross

By Debra Anne Ross

Grasp Math: simple arithmetic and Pre-Algebra teaches the reader in a truly elementary and obtainable demeanour the foundations and formulation for developing an effective math beginning. This e-book covers issues reminiscent of advanced fractions, combined numbers and mistaken fractions; changing fractions, percents, and decimals; fixing equations with logarithms or exponents, and lots more and plenty extra.

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Extra info for Master math: Basic Math and Pre-Algebra

Sample text

X 364 440 14560 1456 Add the remainder. 7. Divisibility, remainders, factors and multiples This section defines and gives examples of divisibility, remainders, factors and multiples. The divisibility of a number is determined by how many times that number can be divided evenly by another number. For example, 6 is divisible by 2 because 2 divides into 6 a total of 3 times with no remainder. An example of a number that is not divisible by 2 is 5, because 2 divides into 5 a total of 2 times with 1 remaining.

603 x 20 0 Multiply 0 * 0 = 0. 603 x 20 00 Multiply 6 * 0 = 0. 603 x 20 000 Resulting in the first partial product. Multiply 3 * 2 = 6. 603 x 20 000 6 Multiply 0 * 2 = 0. 32 Numbers and Their Operations 603 x 20 000 06 Multiply 6 * 2 = 12. 603 x 20 000 1206 Resulting in the second partial product. Next, add the partial products. 603 x 20 000 1206 12060 Therefore, 603 * 20 = 12,060. Note: When there is a zero in the multiplier, a single zero can be inserted directly below the zero in the multiplier, instead of a row of zeros.

C -4 -3 -2 -1 -5 0 142 2 5/23 x 4 > The absolute value is always positive or zero, never negative. The symbol for absolute value of a number represented by n is I n I . Positive 4 and negative 4 have the same absolute value. 15. Prime numbers A prime number is a number that can only be divided evenly (not producing a remainder) by itself and by 1. For example, 7 can only be divided evenly by 7 and by 1. Examples of prime numbers are: {2,3,5,7,11,13,17,19,23} Zero and 1 are not prime numbers. The only even prime number is 2.