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CCE/Amelon
reading voucabulary
29
Mathematics
3rd Grade
04/30/2009

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Cards

Term
array
Definition
an orderly arrangement
Term
column
Definition
a row of numbers or words running down a page
Term
congruent
Definition
same size and same shape
Term
composite number
Definition
a number that has more than 2 factors
Term
denominator
Definition
the number of equal parts in a fraction, the bottom number in a fraction
Term
difference
Definition
the amount that a number is more or less than another
Term
equivalent
Definition
if one thing is the same as the other in amount, value, or importance
Term
estimation
Definition
a rough guess or calculation
Term
even number
Definition
any number divisible by 2 (2 is an exception)
Term
factor
Definition
the numbers multiplied to get a whole product
Term
fraction
Definition
a part of a whole
Term
horizontal line
Definition
a line that is flat and parallel
Term
multiples
Definition
numbers said when skip counting by the same number repeatedly
Term
negative
Definition
a number less than 0
Term
numerator
Definition
top number of a fraction
Term
odd number
Definition
a number that cannot be divided exactly by 2
Term
operation
Definition
one of the 4 basic operations dealing with numbers, add, subtract, multiply, and divide
Term
parallel
Definition
objects that stay the same distance from each other and they never cross or meet
Term
perimeter
Definition
the distance around a figure
Term
polygon
Definition
a flat closed figure with 3 or more sides
Term
positive
Definition
a number more than 0
Term
prime number
Definition
a number that has exactly two factors
Term
product
Definition
the results when numbers are multiplied
Term
round
Definition
the way to find the closest 10, 100, or 1000 to a number
Term
row
Definition
a line of people or things side by side
Term
symmetry
Definition
a balanced arrangement of parts on either side of a line
Term
three-dimensional
Definition
have figure or shape with length, width, and height--must be a solid object
Term
vertex
Definition
the point where 2 lines meet to form an angle
Term
vertical line
Definition
a line that is straight up and down
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