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RG Chapter 5
Definitions
8
Mathematics
5th Grade
10/10/2007

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Term
Digit
Definition
A symbol used to write numbers such as:1,2,3,4,5,6,7,8 and 9
Term
Period
Definition
A three-digit group of numbers, separated from other groups of three digit numbers by a comma.
Term
The ways to write numbers
Definition
Standerd Form
Expanded Form
Word Form
Term
Exponent
Definition
A number that tells how many times another number is used as a factor.
Term
Cube
Definition
A solid figure whose faces are all squares.
Term
Number line
Definition
A line that shows numbers in order.
Term
Equivelent decimals
Definition
Decimals that show the same amount.
Term
Front end estimation
Definition
A way to estimate a sum by adding the first digit of each addend and ajusting the result based on th remaining digits.
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