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videos with an are Khan Academy videos
Intro to Adding Negative Numbers
Adding Negative Numbers (vid)*
Adding Numbers with Different Signs (vid)*
Subtracting Negative Numbers
Adding and Subtracting Negative Numbers (vid)*
Subtracting a Negative=Adding a Positive (vid)*
Adding and Subtracting with Negatives on a Number Line
Adding Negatives on a Number Line (vid)*
Number Equations and Number Lines (vid)*
Interpreting Numeric Expressions (vid)*
Adding & subtracting integers
Adding Numbers with Different Signs (vid)*
Addition and Subtraction with Integers - Part 1(vid)*
Addition and Subtraction with Integers - Part 2 (vid)*
Adding and Subtracting Negative Fractions
Adding Fractions with Different Signs (vid)*
Adding and Subtracting Fractions (vid)*
Multiplying and Dividing Negative Numbers
Multiply Positive and Negative Numbers (vid)*
Dividing Positive and Negative Numbers (vid)*
Why a Negative Times a Negative is a Positive (vid)*
Why a Negative Times a Negative Makes Sense (vid)*
Understanding Multiplying and Dividing Fractions
Negative Signs in Fractions (vid)*
Expressions with Rational Numbers (vid)*
Multiplying and Dividing Negative Fractions
Multiplying Positive and Negative Fractions (vid)*
Dividing Negative Fractions (vid)*
Dividing Mixed Numbers (vid)*
Absolute Value
Absolute Value as Distance Between Numbers (vid)*
Interpreting Absolute Value as Distance (vid)*
Adding and Subtracting Negative Numbers
Substitution with Negative Numbers (vid)*
Ordering Expressions (vid)*