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Published byChester Crawford Modified over 5 years ago

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**The Real Number System Real Numbers Irrational Numbers**

, -1, -0.5, 0, 0.5, 1, 1.5, … Integers ... -3, -2, -1, 0, 1, 2, 3, … Whole Numbers 0, 1, 2, 3, 4, 5, 6, … Natural Numbers 1, 2, 3, 4, 5, 6, …

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**The Real Number Line | | | | | | | | | | | -5 -4 -3 -2 -1 0 1 2 3 4 5**

| | | | | | | | | | | Natural Numbers Whole Numbers Integers | | | | | | | | | | | Remember that Irrational Numbers do not have an exact point on the number line. Rational Numbers Irrational Numbers

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Square Roots A number is a Perfect Square if it is the product of two Identical Factors. These are all perfect squares because they are the product of two identical factors.

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**Common Perfect Squares**

Here is a list of the first 20 perfect squares. I should probably try to remember those.

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**Evaluating Square Roots**

A number is a Perfect Square if it is the product of two Identical Factors. Evaluate the following radicals

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**More Evaluating Radicals**

These are all Rational Numbers These are all Irrational Numbers

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**Irrational Roots will always fall between two consecutive integers.**

More Irrational Roots Irrational Roots will always fall between two consecutive integers. Between what two consecutive integers is each square root? Between 5 and 6 Between -12 and -11 Between 14 and 15 Asi De Facil That was easy

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Homework Page 20: 10 – 22 & Even Numbers Only

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**Expressing a Decimal as a Rational Number**

A rational number is any number that can be written in the form Write the fraction as the given number over the place value. Reduce the resulting fraction if possible.

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**Expressing Rational Numbers as a Decimal**

A rational number is any number that can be written in the form Common Fractions Decimal Fractions Written with a numerator and a denominator. The numerator is written after the decimal point and the denominator is indicated by the place value of the last digit. To express as a decimal, perform the division. These are all terminating decimals.

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**Repeating Decimals That was easy**

The same number, or pattern of numbers, repeats. That was easy

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**Symbols of Inequality 9 is greater than 2 2 is less than 9**

Example Written in Words 9 is greater than 2 2 is less than 9 9 is greater than or equal to 2 2 is less than or equal to 9 2 is not equal to 9

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**Comparing Real Numbers**

Compare the following numbers with an inequality symbol. Write each as a decimal Compare the decimals Write the answer with the original numbers

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**Ordering Numbers from Least to Greatest**

Order the numbers in each group from least to greatest.

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Homework Page 20: Even Numbers Only

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