Pre-Algebra Lesson 5-1

Pre-Algebra Lesson 5-1 - 5-1 Rational Numbers Objective...

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Unformatted text preview: 5-1 Rational Numbers Objective: Identify and compare rational numbers and rename decimals as fractions. 5-Minute Check Define the following terms: 1. GCF 2. LCM 3. Factor 4. Multiple 5. Quotient 6. Exponent 5-1 Rational Numbers Sets of Numbers 1. 2. 3. Whole Number: 0, 1, 2, 3, … Integers: …, -2, -1, 0, 1, 2, … Rational Numbers: Any number that can be expressed in the form a/b, where a and b are integers and b <> 0. 5-1 Rational Numbers Terminating decimals are decimals that can be written as a fraction with a denominator of 10, 100, 1000, and so on. Repeating decimals are decimals in which one or more of the digits is repeated. 5-1 Rational Numbers Example Express 1.333… as a fraction or a mixed number. 5-1 Rational Numbers Example Express 1.333… as a fraction or a mixed number. Let N = 1.333… Then 10N = 13.333… 5-1 Rational Numbers Example Express 1.333… as a fraction or a mixed number. Let N = 1.333… Then 10N = 13.333… Subtract N from 10N to eliminate the repeating digit. 5-1 Rational Numbers Example Express 1.333… as a fraction or a mixed number. Let N = 1.333… Then 10N = 13.333… Subtract N from 10N to eliminate the repeating digit. Therefore 1.333… = 11/3 ...
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This note was uploaded on 12/01/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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Pre-Algebra Lesson 5-1 - 5-1 Rational Numbers Objective...

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