# The Real Number System -13 O, 1, 2, 3… 1/2 0.333 π.

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The Real Number System -13 O, 1, 2, 3… 1/2 0.333 π

Natural Numbers 1 2 3 4 5 6 7 8 9 10... COUNTING NUMBERS Also call COUNTING NUMBERS

WHOLE NUMBERS 1 2 3 4 5 6 7 8 9 10 ……0

Natural Numbers WHOLE NUMBERS 1, 2, 3, 4, 5, 6, 7.... O, 1, 2, 3, 4, 5, 6, 7.... The Real Number System

INTEGERS O 1 2 3 4 5 6 7... -7 –6 –5 –4 –3 –2 –1

Natural Numbers WHOLE NUMBERS 1, 2, 3, 4, 5, 6, 7.... O, 1, 2, 3, 4, 5, 6, 7.... The Real Number System INTEGERS -7, -6, -5, -4, -3, -2, -1, O, 1, 2, 3, 4, 5, 6, 7....

RATIONAL NUMBERS 0 12 -2 -2.33 -3 ½

RATIONAL NUMBERS include ½, ¾ Fractions 0.3333… Repeating Decimals.5,.12 Terminating decimals

Natural Numbers WHOLE NUMBERS 1, 2, 3, 4, 5, 6, 7.... O, 1, 2, 3, 4, 5, 6, 7.... The Real Number System Rational Numbers -7, -6, -5, -4, -3, -2, -1, O, 1, 2, 3, 4, 5, 6, 7.... INTEGERS.. -4, -3¼, -3, -2, 0.5 -1, O, 1, ½, 2, 2.33, 3, 4..

Irrational Numbers o Don’t Behave like the other Subsets

IRRATIONAL NUMBERS include Pi or π 3.141592653589753…….. Non-repeating non terminating decimals 1.21211211121111211111…. Square roots that are not “Perfect Squares” √17

WHOLE NUMBERS O, 1, 2, 3, 4... INTEGERS... -5, -4, -3, -3, -2, -1, 0, 1, 2, 3, 4, 5... 2.34526765… IRRATIONAL NUMBERS π √ 99 NATURAL NUMBERS 1, 2, 3…. REAL NUMBER SYSTEM RATIONAL NUMBERS... -3, -2.5, -2, -1, 0, 1, ½, 2, 2.33...

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