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REAL NUMBERS

REAL NUMBERS. (as opposed to fake numbers?). Two Kinds of Real Numbers. Rational Numbers Irrational Numbers. 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. 16 1/2

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REAL NUMBERS

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  1. REAL NUMBERS (as opposed to fake numbers?)

  2. Two Kinds of Real Numbers • Rational Numbers • Irrational Numbers

  3. 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.

  4. 16 1/2 3.56 -8 1.3333… - 3/4 Examples of Rational Numbers

  5. 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.

  6. Square roots of non-perfect “squares” Pi Examples of Irrational Numbers 17

  7. Integers One of the subsets of rational numbers

  8. What are integers? • Integers are the whole numbers and their opposites. • Examples of integers are 6 -12 0 186 -934

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

  10. Real Number System Irrational Rational Integers -238 -5 Whole Numbers 98 15 0

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