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**(as opposed to fake numbers?)**

REAL NUMBERS (as opposed to fake numbers?)

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**Two Kinds of Real Numbers**

Rational Numbers Irrational Numbers

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**Two Kinds of Real Numbers**

Rational Numbers Irrational Numbers

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Rational Numbers A rational number is a real number that can be written as a ratio of two integers. A rational number written in decimal form is terminating or repeating.

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**Examples of Rational Numbers**

16 1/2 3.56 -8 1.3333… - 3/4

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Irrational Numbers An irrational number is a number that cannot be written as a ratio of two integers. Irrational numbers written as decimals are non-terminating and non-repeating.

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**Examples of Irrational Numbers**

Square roots of non-perfect “squares” Pi 17

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**One of the subsets of rational numbers**

Integers One of the subsets of rational numbers

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**What are integers? Integers are the whole numbers and their opposites.**

Examples of integers are 6 -12 186 -934

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**Integers are rational numbers because they can be written as fraction with 1 as the denominator.**

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Real Number System and Radicals SPI 11A: order a set of rational and irrational numbers SPI 12B: simplify a radical Objectives: Investigate the Real Number.

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