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Math in Focus - Chapter 1 Vocabulary

AB
hundred thousand10 ten thousands
standard forma number written with 1 digit for each place
word forma number written in words
periodsgroups of three places
million10 hundred thousands
place valuethe value of the place of a digit in a number
expanded forma number written to show the value of each digit
greater than (>)representing more of a quantity
less than (<)representing less of a quantity
roundto find the nearest ten, hundred, and so on
estimateto find a number close to an exact amount
front-end estimation with adjustmentcompute digits in greatest place & then adjust to include remaining place values
compatible numbersnumbers that are easy to add, subtract, multiply or divide


Greenville Elementary School

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