SAMPLE Fundamentals of Math

Fundamentals of Mathematics Figure 1.2.1 The Real Number System

Noting that the larger sets of numbers also include their small number counterparts. For example, by definition, we know -7 is an Integer it is also included in the set of Rational, Irrational, and Real Numbers.

Figure 1.2.2 Number Classification Name Consists Of

Examples 5, 27, 134, 2641 0, 1, 2, 3, 4 − 5, − 1, 0, 2, 4 − 3, 0, 1 2 , 7 9 , 7.5 π, 2, ℮, 2 4 3 Any number

Symbol

ℕ

Natural

The counting numbers

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Whole

Natural numbers and zero

Natural numbers, zero, and opposite natural numbers Natural numbers, zero, opposite natural numbers, and any number that results in a finite decimal or a repeating decimal. Non-repeating and non-terminating decimals

ℤ

Integer

ℚ

Rational

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Irrational

ℝ

Real

All rational and irrational numbers

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