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Unformatted text preview: 51 Rational Numbers
Objective: Identify and compare
rational numbers and rename
decimals as fractions. 5Minute Check
Define the following terms:
1. GCF
2. LCM
3. Factor
4. Multiple
5. Quotient
6. Exponent 51 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. 51 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. 51 Rational Numbers
Example
Express 1.333… as a fraction or a mixed number. 51 Rational Numbers
Example
Express 1.333… as a fraction or a mixed number.
Let N = 1.333… Then 10N = 13.333… 51 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. 51 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.
 Fall '08
 Staff
 Algebra, Decimals, Fractions, PreAlgebra, Sets

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