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### Unit 2 Vocab

bil·lion \ˈbi(l)-yən\ :one thousand million
tril·lion \ˈtri(l)-yən\ : one thousand billion
com·mon mul·ti·ple \ˈkä-mən\ \ˈməl-tə-pəl\ : a number that is a multiple of two or more numbers, for example 6 is a common multiple of 2 and 3
prime num·ber \ˈprīm\ \ˈnəm-bər\ : a whole number with exactly 2 factors , 1 and itself
com·pos·ite num·ber \käm-ˈpä-zət\ \ˈnəm-bər\ : a number with more than two factors
com·mon fac·tor \ˈkä-mən\\ˈfak-tər\ : a number that is a factor of each of the given numbers; for example, 3 is a common factor of 15,9, and 21
or·der of op·er·a·tion \ˈȯr-dər\ \əv \ˌä-pə-ˈrā-shən\ : the rules that are followed when evaluating an expression do the operations in brackets multiply and divide, in order, from left to right then add and subtract, in order, from left to right
ex·pres·sion \ik-ˈspre-shən\ a mathmetical statement with numbers and operations, for example, 3 x 4 - 2 is an expression
in·te·ger \ˈin-ti-jər\ the set of numbers ….-3,-2,-1,0,1,2,3….
pos·i·tive in·te·ger \ˈpä-zə-tiv \ˈin-ti-jər\ an integer greater than 0; for exampe, +2 and +17 are positive integers
neg·a·tive in·te·ger \ˈne-gə-tiv\ \ˈin-ti-jər\ an integer less than 0; for example, -3 and -14 are negative integer
op·po·site in·te·ger \ˈä-pə-zət\\ˈin-ti-jər\ two integers that are the same distance from 0 but are on opposite sides of 0; for example, +2 and-2 are opposite integers.
Created by: stanne