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Study: Fundamentals
Whole
numbers
Decimals
Fractions
Proportions
For decimal/fraction conversions, see the Pre-algebra page on percents.
On some cell phones/computers some of the mastery quizzes might pause for 30 sec. before loading the quiz. Sorry!
Factors & multiples
Whole numbers: operations
Dec: intro
Dec: operations
Dec: word problems
Frac: intro
Frac: operations
Frac: word problems
Ratio & proportion
Unit rate
Scale factor
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