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Math Vocab-Unit 1

Place Value

TermDefinition
decimal number​ A number worth less than one whole​
decimal point​ The period that separates the whole from the decimal​
digit​ Any numeral from 0-9​
expanded form​ Represents the value as a sum​ Ex. 5.75 = 5 + 0.7 + 0.05​
expanded notation​ Represents value as a sum where each digit is multiplied by its value​ Ex. 5.75 = (5 x 1) + (7 x 0.1) + (5 x 0.01)​
hundredth​ A place worth 1/100 of a whole, represents pennies in money​ Ex. 0.05 = five hundredths​
numeral​ Names a number​
period​ A three digit grouping of numbers between commas, ​ has a hundreds, tens, and ones place​ Ex. millions, thousands, units​
standard form​ Represents a value using digits​
tenth​ A place 1/10 of a whole, represents dimes in money​ Ex. 0.7 = seven tenths​
whole number​ A set of counting numbers, includes zero​
word form​ Represents a value using words​ Ex. 5.75 = five and seventy-five hundredths​
Created by: Remedies