Decimals

OpenStax

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Reading and writing decimals

Converting a decimal to a fraction

Rounding decimals

Addition and subtraction of decimals

1 Section overview

2 The logic behind the method

3 The method of adding and subtracting decimals

5 Practice set a

8 Practice set b

10 Exercises for review

Multiplication of decimals

1 Section overview

2 The logic behind the method

3 The method of multiplying decimals

5 Practice set a

8 Practice set b

9 Multiplying decimals by powers of 10

10 Sample set c

11 Practice set c

12 Multiplication in terms of “of”

13 Sample set d

14 Practice set d

16 Exercises for review

Division of decimals

1 Section overview

2 The logic behind the method

3 A method of dividing a decimal by a nonzero whole number

5 Practice set a

6 A method of dividing a decimal by a nonzero decimal

8 Practice set b

10 Sample set c

11 Practice set c

12 Dividing decimals by powers of 10

13 Sample set d

14 Practice set d

16 Exercises for review

Nonterminating divisions

1 Section overview

2 Nonterminating divisions

3 Denoting nonterminating quotients

5 Practice set a

7 Exercise for review

Converting a fraction to a decimal

2 Practice set a

4 Exercises for review

Combinations of operations with decimals and fractions

Summary of key concepts

Exercise supplement

Proficiency exam

Source: OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4

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