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001 Introduction to Mathematics

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Many students wonder why it's even necessary to learn in the first place. How social media knows who you're going to tag in a photo before you do.
http://qindex.info/d.php?c=4816#4817
002 Addition and Subtraction of Small Numbers

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Addition and Subtraction of Small Numbers
http://qindex.info/d.php?c=4816#4818
003 Multiplication and Division of Small Numbers

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Multiplication and Division of Small Numbers
http://qindex.info/d.php?c=4816#4819
004 Fractions, Improper Fractions, and Mixed Numbers

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Understanding Fractions, Improper Fractions, and Mixed Numbers
http://qindex.info/d.php?c=4816#4820
005 Large Whole Numbers: Place Values and Estimating

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Large Whole Numbers: Place Values and Estimating
http://qindex.info/d.php?c=4816#4821
006 Decimals: Notation and Operations

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Decimals: Notation and Operations
http://qindex.info/d.php?c=4816#4822
007 Working With Percentages

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Working With Percentages
http://qindex.info/d.php?c=4816#4823
008 Converting Between Fractions, Decimals, and Percentages

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Converting Between Fractions, Decimals, and Percentages
http://qindex.info/d.php?c=4816#4824
009 Addition and Subtraction of Large Numbers

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Addition and Subtraction of Large Numbers
http://qindex.info/d.php?c=4816#4825
010 The Distributive Property

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The Distributive Property for Arithmetic
http://qindex.info/d.php?c=4816#4826
011 Multiplication of Large Numbers

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Multiplication of Large Numbers
http://qindex.info/d.php?c=4816#4827
012 Division of Large Numbers

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Division of Large Numbers: Long Division
http://qindex.info/d.php?c=4816#4828
013 Negative Numbers

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Negative Numbers
http://qindex.info/d.php?c=4816#4829
014 Understanding Exponents and Their Operations

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Understanding Exponents and Their Operations
http://qindex.info/d.php?c=4816#4830
015 Order of Arithmetic Operations: PEMDAS

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Order of Arithmetic Operations: PEMDAS
http://qindex.info/d.php?c=4816#4831
016 Divisibility, Prime Numbers, and Prime Factorization

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The fundamental theorem of arithmetic: there is only one unique set of prime factors for any number.
http://qindex.info/d.php?c=4816#4832
017 Least Common Multiple (LCM)

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Least Common Multiple (LCM)
http://qindex.info/d.php?c=4816#4833
018 Greatest Common Factor (GCF)

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Greatest Common Factor (GCF)
http://qindex.info/d.php?c=4816#3761
019 Addition and Subtraction of Fractions

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Addition and Subtraction of Fractions
http://qindex.info/d.php?c=4816#3762
020 Multiplication and Division of Fractions

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Multiplication and Division of Fractions
http://qindex.info/d.php?c=4816#3764
021 Analyzing Sets of Data: Range, Mean, Median, and Mode

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The median and the mode dilute the impact of anomalous data.
http://qindex.info/d.php?c=4816#4938
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