Understanding Algebra
Understanding Algebra: Positive Integer Exponents
This is a simplified explanation about exponents along with a few rules for combining numbers with exponents.
Khan Academy
Khan Academy: One Step Multiplication & Division Equations
Based on our understanding of the balance beam model, we know that that to keep a true equation, we always have to do the same thing to both sides of an equation. But how do we know what to do to both sides of the equation? Learn to...
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