Review Chapter 3 (Rational Numbers) (KD)

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What is a rational number?

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A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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How do you compare two rational numbers?

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To compare two rational numbers, convert them to a common denominator or convert them to decimal form and then compare their values.

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What is the absolute value of a number?

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The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -3 is 3.

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What is the process to convert a fraction to a percent?

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To convert a fraction to a percent, divide the numerator by the denominator and then multiply the result by 100.

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How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert the fractions, and then add the numerators.

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How do you order fractions from least to greatest?

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To order fractions from least to greatest, convert them to a common denominator or convert them to decimal form.

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What does it mean for a number to be negative?

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A negative number is a number that is less than zero, indicating a value that is below the reference point on the number line.