Additive Inverses and Absolute Values
Key Questions

Additive Inverse Property
For all element
#a# , there is a unique element#a# such that#a+(a)=0#
I hope that this was helpful.

You can think of the absolute value sign as a negative sign eraser. It does not do anything to a nonnegative number but turns a negative number into the positive number having the same magnitude; for example,
#2=2# and#3=3# .
I hope that this was helpful.
Questions
Properties of Real Numbers

Properties of Rational Numbers

Additive Inverses and Absolute Values

Addition of Integers

Addition of Rational Numbers

Subtraction of Rational Numbers

Multiplication of Rational Numbers

Mixed Numbers in Applications

Expressions and the Distributive Property

When to Use the Distributive Property

Division of Rational Numbers

Applications of Reciprocals

Square Roots and Irrational Numbers

Order of Real Numbers

Guess and Check, Work Backward