Transcription of NEWCOLORs basic math rev - Student Affairs & Diversity
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NEWCOLORs basic math rev - Student Affairs & Diversity
123 basic Math ReviewNumbersNATURAL NUMBERS{1, 2, 3, 4, 5, ..}WHOLE NUMBERS{0, 1, 2, 3, 4, ..}INTEGERS{.., 3, 2, 1, 0, 1, 2, ..}RATIONAL NUMBERSAll numbers that can be written in the form , where aand bare integers NUMBERSReal numbers that cannot be written as the quotient of twointegers but can be represented on the number NUMBERSI nclude all numbers that can be represented on the numberline, that is, all rational and irrational NUMBERSA prime number is a number greater than 1 that has onlyitself and 1 as examples:2, 3, and 7 are prime NUMBERSA composite number is a number that is not prime. Forexample,8 is a composite number #2#2=23 Rational NumbersReal Numbers23, , 21 , 0, , 1, 23, 22, 21, 0, 1, 2, 3, pIntegers0, 1, 2, 3, pWhole NumbersNatural Numbers1, 2, 3, p3,2, p, >b 5 5 4 4 3 3 Negative integersNegative integersPositive integersThe Number LineZero 2 2 1 1012345 ISBN-13:ISBN-10:978-0-321-39476-70-321-3 9476-39 780321 39476790000 Integers (continued)MULTIPLYING AND DIVIDING WITH NEGATIVESSome examples:FractionsLEAST common MULTIPLEThe LCM of a set of numbers is the smallest number that is amultiple of all the given example,the LCM of 5 and 6 is 30, since 5 and 6 have nofactors in common FACTORThe GCF of a set of numbers is the largest number that canbe evenly divided into each of the given example,the GCF of 24 and 27 is 3, since both 24 and27 are divisi
and denominator of the fraction by the same number. In the previous example, and . MULTIPLYING AND DIVIDING FRACTIONS When multiplying and dividing fractions, a common denominator is not needed. To multiply, take the product of the numerators and the product of the denominators: To divide fractions, invert the second fraction and then
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