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vocabulary
sequence, sum etc...
21
Mathematics
5th Grade
08/30/2011

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Term
sequence
Definition
a list of numbers arranged according to a certain rule.
Term
whole numbers
Definition

all the numbers in this sequence.

0,1,2,3,4,5,6,7,8,9,...

Term
counting numbers
Definition
the numbers used to count the numbers in this sequence: 1,2,3,4,5,6,7,8,9,....
Term
addends
Definition
anyone of the numbers added in an addition problem.
Term
sum
Definition
the result of addition
Term
digit
Definition

any of the symbols used to write numbers:

0,1,2,3,4,5,6,7,8,9

Term
equation
Definition
a number sentence that uses the equal sign (=) to show that two quantities are equal.
Term
expanded form
Definition
a way of writing a number that shows the value of each digit.
Term
fact family
Definition
a group of three numbers related by addition and subtraction or by multiplication and division.
Term
odd numbers
Definition
numbers that have a remainder of one when divided by two. The numbers in this sequence: 1,3,5,7,9,11...
Term
even numbers
Definition
numbers that can be divided by 2 without a remainder. The numbers in this sequence: 2,4,6,8, 10...
Term
identity property of addition
Definition
the sum of any number and 0 is equal to the initial number. In symbolic form a + 0 = a. The  number 0 is referred to as the additive identity.
Term
commutative property of addition
Definition
changing the order of addends does not change their sum. in symbolic form 2+b-b+a. Unlike addition, subtraction is not commutative.
Term
algorithm
Definition
any process for solving a mathmatical problem
Term
difference
Definition
the result of subtraction
Term
inverse operation
Definition
an operation that undoes another.
Term
decimal point
Definition
a symbol used to seperate the one's place from the tenth's place in decimal numbers (or dollars from cents in money)
Term
place value
Definition
the value of a digit based on it's position within a number.
Term
ordinal numbers
Definition
numbers that describe position of order.
Term
term
Definition

a number in a sequence .

a number that serves as a numerator or denominator of a fraction.

Term
compare
Definition
to compare to quantities mathmatically means to find the value of their ratio or to determine which of them is greater or smaller
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