NEWCOLORs basic math rev
123Basic 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 NUMBERSInclude 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=23Rational 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 3Negative integersNegative integersPositive integersThe Number LineZero 2 2 1 1012345ISBN-13:ISBN-10:978-0-321-39476-7 0-321-39476-39 780321 39476790000Integers (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
integers but can be represented on the number line. REAL NUMBERS Include all numbers that can be represented on the number line, that is, all rational and irrational numbers. ... Then add or subtract the numerators, keeping the denominators the same. For example,. 2 3 + 1 4 = 8 12 + 3 12 = 11 12 d Z 0 a d-b d = a-b d d Z 0 a d + b d = a + b d ...
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