number vocabulary精品.pptxVIP

Day one vocabulary of numbers How to describe them?There are eight butterflies.One dollar and ten cents。 One quarter of the cake has been eaten.Take notesMath TermDefinitionExamples1. integerThe set of numbers …-2,-1,0,1,2,…-5, -2, 0, 3, 6, 82. whole numberThe set of numbers 0,1,2,3…0, 4, 8, 11, 233. percentageThe part of a whole1%, 50%, 99.9%, 100%4. decimalThe number with the decimal point-2.5, 3.1, 4.75. fractionA quotient of two quantities.- ? , 2 ?6. numeratorThe term above the line 2/37. denominatorThe term below the line8.cardinal numberTo count the quantity One, two, three 9.ordinal numberTo show the orderfirst, second, third10.positive numberA number greater than 0 + 1, +5.2 , 1611.negative numberA number less than 0-1, - 6, -4.712.odd numberAn integer that does not have 2 as a factor1, 3, -7, -913.even numberAn integer that has 2 as a factor2, 4, -6, -10What is this number?-1Negative one is an integer. Negative one is not a whole number.Negative one is not a fraction.Negative one is not a cardinal number.Negative one is not an ordinal number.Negative one is a negative number.Negative one is an odd number.Negative numbers0IntegersPositive numbers0Cardinal numberWhole numberGamewhat is this number ? -2.5, -2, -1, 0, 1, 24% , 2, 3? , +4.7 , first Is this an integer ?Is this a percentage?Is this a…?整数=