Classifying and Ordering Real Numbers

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What are real numbers?

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Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like π and √2).

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How do you order real numbers?

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To order real numbers, compare their values and arrange them from least to greatest or greatest to least.

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What is the square root of a number?

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The square root of a number x is a value that, when multiplied by itself, gives x. For example, the square root of 16 is 4, since 4 x 4 = 16.

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How do you approximate the square root of a non-perfect square?

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To approximate the square root of a non-perfect square, find two consecutive integers between which the square root lies. For example, √40 is between 6 and 7.

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How do you convert a percentage to a decimal?

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To convert a percentage to a decimal, divide by 100. For example, 31% = 31/100 = 0.31.

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What is the square root of 256?

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The square root of 256 is 16.

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How do you compare negative numbers?

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When comparing negative numbers, the number with the greater absolute value is actually the smaller number. For example, -0.8 is less than -0.6.

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How do you order fractions?

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To order fractions, convert them to a common denominator or to decimal form, then compare their values.