0 333 The Real Number System 13 O

0. 333 π The Real Number System -13 O, 1, 2, 3… 1/2

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

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

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

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

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

RATIONAL NUMBERS -3 -2. 33 -2 -1 0 ½ 1 2

RATIONAL NUMBERS include • ½, ¾ Fractions • 0. 3333… Repeating Decimals • . 5, . 12 Terminating decimals

The Real Number System Rational Numbers . . -4, -3¼, -3, -2, 0. 5 -1, O, O 1, ½, 2, 2. 33, 3, 4. . INTEGERS -7, -6, -5, -4, -3, -2, -1, O, O 1, 2, 3, 4, 5, 6, 7. . WHOLE NUMBERS O, 1, 2, 3, 4, 5, 6, 7. . Natural Numbers 1, 2, 3, 4, 5, 6, 7. .

Irrational Numbers o Don’t Behave like the other Subsets

IRRATIONAL NUMBERS include • Pi or π 3. 141592653589753……. . • Non-repeating non terminating decimals 1. 2121121111211111…. • Square roots that are not “Perfect Squares” √ 17

RATIONAL NUMBERS. . . -3, -2. 5, -2, -1, 0, 1, ½, 2, 2. 33. . . 2. 34526765… IRRATIONAL NUMBERS π √ 99 INTEGERS . . . -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5. . . WHOLE NUMBERS O, 1, 2, 3, 4. . . NATURAL NUMBERS 1, 2, 3…. REAL NUMBER SYSTEM