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Fractions and conversions

Welcome to Unit 3

3.1 Fraction operations

3.2 Converting fractions, decimals and percents

Percents

3.3 Percent change and successive changes

3.4 Percent of a percent and reverse percent

Estimation and mixed forms

3.5 Estimation: rounding and benchmark fractions

3.6 Working with all three forms

Check yourself

Before you try the quizzes

Check: a fraction of what is left

Check: converting

Check: successive changes

Check: reverse percent

Check: percentage points or percent?

Check: estimation

Answers and why

Foundations Unit 3 of the Prepspire GMAT Course: Fractions, decimals, percents and estimation.

Work with fractions, move between fractions, decimals and percents, handle percent change, percents of percents and reverse percents, and estimate quickly without a calculator.

Unit 3: Fractions, Decimals, Percents and Estimation

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