Skip to main content
Side panel
Home
My Courses
Course Catalog
Help
Getting Started
Help Center & FAQ
Search
Close
Search
Toggle search input
Log in or Sign up
Home
My Courses
Course Catalog
Help
Getting Started
Help Center & FAQ
RWM101: Foundations of Real World Math
Sections
Course Introduction
Course Syllabus
Unit 1: Number Properties
Unit 2: GCF and LCM
Unit 3: Order of Operations
Unit 4: Fractions and Rational Numbers
Unit 5: Decimals
Unit 6: Ratios and Proportions
Unit 7: Percentages
Unit 8: Graphs and Charts
Study Guide
Course Feedback Survey
Certificate Final Exam
Resources
Activities
Quizzes
Home
My programs
My certificates
RWM101: Foundations of Real World Math
Home
Courses
Course Catalog
Mathematics
RWM101: Foundations of Real World Math
Sections
Unit 5: Decimals
5.5: Adding and Subtracting Decimal Expressions
Decimal Operations
Print book
Print this chapter
Back to '5.5: Adding and Subtracting Decimal Expressions\'
Decimal Operations
Mark as completed
Read this text for some more examples. Pay attention to the "How To" box for an outline of how to add and subtract decimals. Complete the practice problems and check your answers.
Exercises
EXAMPLE 5.11
Add:
.
EXAMPLE 5.12
Add:
.
EXAMPLE 5.13
Subtract:
.
EXAMPLE 5.14
Subtract:
.
Mark as completed
Previous
Jump to...
Jump to...
Course Syllabus
Commutative and Associative Properties
Commutative Law of Addition
Commutative Law of Multiplication
Commutative and Associative Properties
Associative Law of Addition
Associative Law of Multiplication
Properties of Addition Quiz
Identity Property of Zero
Inverse Property of Addition
Inverse Property of Addition Examples
Identity Property of 1
Inverse Property of Multiplication
Inverse Property of Multiplication Examples
Multiplication by Zero
Why Dividing by Zero Is Undefined
Using the Distributive Property
The Distributive Law of Multiplication
Unit 1 Assessment
Greatest Common Divisor
The Greatest Common Factor
The Least Common Multiple
Least Common Multiple Examples
LCM and GCF Word Problems
Introduction to Integers
Negative Numbers Introduction
Adding Negative Numbers
Addition with Negative Numbers Exercises
Subtracting Negative Numbers
Subtraction with Negative Numbers Exercises
Multiplying and Dividing Integers
Multiplying/Dividing Positive and Negative Numbers
Understanding Exponents
Exponent Examples
Introduction to Exponents
Introduction to Exponents Exercises
Use the Language of Algebra
Order of Operations Exercises
Fractions of Whole Numbers
Visualize Fractions
Demonstrating Equivalent Fractions
Proper and Improper Fractions
Proper Fractions, Improper Fractions, and Mixed Numbers
Visualize Fractions
Changing from an Improper Fraction
Changing to Improper Fractions
Converting Mixed Numbers and Improper Fractions Exercises
Fraction in Lowest Terms
Reducing Fractions
Reducing Fractions Exercises
Finding Common Denominators
Add and Subtract Fractions with Common Denominators
Add and Subtract Fractions with Different Denominators
More with Fractions
Add Mixed Numbers
Subtract Mixed Numbers
Practice with Unlike Denominators
Adding and Subtracting Mixed Numbers
Practice Adding and Subtracting Mixed Numbers
Multiplying Fractions and Mixed Numbers
Practice with Multiplying Fractions
More Practice with Multiplying Fractions
Dividing Fractions
Dividing Mixed Numbers
Dividing Fractions Exercises
Multiplying and Dividing Fractions Word Problems
Multiply and Divide Fractions Word Problems Exercises
More Multiply and Divide Fractions Word Problems Exercises
Introduction to Decimals
Introduction to Decimals Exercises
Rounding Decimals
More on Rounding Decimals
Decimal Places
Decimals and Fractions
Decimal Exercises
Multiplying a Decimal by a Power of 10
Converting Repeating Decimals to Fractions
Repeating Decimals
Adding Decimals
Adding Hundredths Exercises
Subtracting Decimals
Subtracting Hundredths Exercises
Multiplying Decimals
Multiplying Decimals Exercises
More on Multiplying Decimals
Dividing Decimals with Hundredths
Dividing Decimals
Applications with Decimals
Applications with Decimals Exercises
Introduction to Ratios
Ratios
Ratios Exercises
Solving Unit Rates and Prices
Expressing Ratios as Fractions Exercises
Applications of Proportions
Solving Proportions
Solving Applications of Proportions
More Applications of Proportions
Applications of Proportions Exercises
The Meaning of Percents
Converting Percent to Decimal and Fraction
Ratios and Rates as Percents
Solving Basic Percent Problems
Percent Exercises
Calculating Percent Increase, Decrease, and Discount
Percent Increase, Decrease, and Discount
Calculating Sales Tax and Commission
Sales Tax and Commission Exercises
Averages and Probability
Finding Mean, Median, and Mode
Stem-and-Leaf Plots
Reading Stem and Leaf Plot Exercises
Reading Line Graphs
Make Line Plots Exercises
Reading Bar Graphs
Reading Bar Graph Exercises
Create Bar Graphs Exercises
Box-and-Whisker Plots
Creating Box and Whisker Plots Exercises
Reading Pie Graphs (Circle Graphs)
Reading Pictographs
Reading Pictographs Exercises
RWM101 Study Guide
Course Feedback Survey
RWM101: Certificate Final Exam
Next