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MSMl real number system and integer vocab
Real Number system and Integer vocab
11
Mathematics
6th Grade
05/11/2012

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Term
real number system
Definition
the way numbers are described and organized
Term
natural numbers
Definition
counting numbers 1, 2, 3 (no 0, negative, fractions, or decimals)
Term
Whole numbers
Definition
all counting numbers, and 0 : 0, 1, 2, 3, 4, … (no negatives, fractions, or decimals)
Term
Integers
Definition
positive and negative numbers (no fractions or decimals)
Term
rational
Definition
all natural, whole, and integer numbers, as well as fractions and decimals (excluding irrational numbers)
Term
irrational numbers
Definition
a real number that cannot be written as a simple fraction.
Term
positive integer
Definition
a number greater than 0
Term
negative integer
Definition
a number less than 0
Term
opposites
Definition
2 integers that are the same distance from, but on different sides of, 0 on a number line
Term
Absolute value
Definition
distance from 0, always expressed as a positive number. l3l=3, l-6l=6
Term
comparing integers
Definition
plot on a number line, the number to the left is always less, the number to the right is always greater
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