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Pre Alg Ch 3

Classifying Numbers

Counting Numbers are sometimes called ____ numbers and are the numbers 1,2,3,4 etc. NATURAL NUMBERS
These are POSITIVE numbers we use to count objects. NATURAL NUMBERS
ZERO is NOT considered this kind of number. NATURAL NUMBER
_____ Numbers include all Natural numbers And ZERO, (0,1,2,3,4,etc) WHOLE
T/F All Natural Numbers are Whole Numbers. or (1,2,3,4etc) are both Natural & Whole TRUE
T/F All Whole Numbers are Natural Numbers. or (0,1,2,3etc) are both Natural & Whole FALSE
Integers are numbers that include all the ____ ____ & their _____. Whole Numbers (0,1,2,3) & their opposites (-3,-2,-1)
T/F Fractions & Decimals are Integers. FALSE/ fractions and decimals are NOT integers.
T/F All Whole and Natural numbers are Integers. TRUE/ All whole and Natural Numbers are Integers.
Are all Integers Whole or Natural Numbers? No. All Integers are NOT whole or natural. Integers INCLUDE the -(negative whole numbers)
These type of numbers include all the integers,PLUS all the fractions, PLUS all the terminating & repeating decimals. RATIONAL NUMBERS
T/F All natural,whole and integers are rational numbers. TRUE
Are all Rational numbers NATURAL, WHOLE OR INTEGERS? NO. All Rational Numbers are NOT Natural, Whole or Integers.
The Classification of numbers in order listed from top to bottom are ____, ____, ____, ____ Natural, Whole, Integers, Rational
T/F If a number falls into a category it automatically falls into all categories below it. TRUE: Whatever category a number falls into, it will in turn also be a part of any category below that.
A number that does NOT fall into any of the 4 categories (Natural, Whole, Integer, Rational) is considered ___________. Irrational numbers do not fall into any of the categories Natural, Whole, Integer or Rational.
A _____ number is a number WITH a decimal that neither terminates or repeats. IRRATIONAL
The square root of 2 (3.141599265...) is an example of a ____ number. Irrational because it never repeats nor terminates itself.
Real numbers are all the _____ & _____ numbers together. RATIONAL & IRRATIONAL
Created by: annabelle1586