Chapter 1: Numbers and Operations
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1.1 The Set of Real Numbers
The Set of Real Numbers
This webpage defines different kinds of numbers.
1.2 Sequences
Patterns and sequences
This page has activities where the student uses patterns
and/or sequences to find the missing number.
Patterns and sequences
This page has an explanation of how to find the nth term
of a sequence as well as several problems for the student to work.
1.3 Absolute Value
Absolute Value Formulas
This page has examples of several types of absolute values.
Absolute Value Rules
This page shows the graphs of different types of absolute
values.
1.4 Adding and Subtracting Real Numbers
Rules for Integer Addition
This page has the rules for adding positive and negative numbers.
Real Number Operations Flashcards
This page has flashcards to practice the basic operations of numbers.
Order of Operations
This page has the order of operations for solving expressions.
1.5 Multiplying and Dividing Real Numbers
Real Number Operations Flashcards
This page has flashcards to practice the basic operations of numbers.
Order of Operations
This page has the order of operations for solving expressions.
1.6 Operations with Matrices
Matrices
This page has elementary operations for matrices.
Matrices
This page has a matrix calculator.
1.7 Scientific notation
Scientific Notation
This page gives the rules for changing numbers in standard form to scientific notation and vice versa.
1.8 Metric Measurements
Metric Conversion Calculator
This page has a conversion calculator to convert from metric to English measure and vice versa.
1.9 Unit Analysis
Metric Prefixes
This page has a table of the metric prefixes.