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 amu
ADDING AND SUBTRACTING FRACTIONS Fractions must have the same denominator before they can be added or subtracted., with ., with . If the fractions have different denominators, rewrite them as equivalent fractions with a common denominator. Then add or subtract the numerators, keeping the denominators the same. For example,. 2 3 + 1 4 = 8 12 + 3 ...
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