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Learning Target: I can identify a real, rational, irrational, whole, or natural number.

Unit: Operations with Rational Numbers- Types of Numbers Video # 1. Learning Target: I can identify a real, rational, irrational, whole, or natural number. How do we classify a number?.

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Learning Target: I can identify a real, rational, irrational, whole, or natural number.

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  1. Unit: Operations with Rational Numbers- Types of Numbers Video # 1 Learning Target: I can identify a real, rational, irrational, whole, or natural number.

  2. How do we classify a number? • Just like how you have a name that represents the family you belong to, numbers have different families that they belong to as well. • All of the numbers you have learned about in the past are called real numbers. • If a number is not a real number it is called an imaginary number. You will learn more about imaginary numbers in high school.

  3. How do we classify real numbers? • There are two major “families” in the real number system:

  4. Types of decimals There are two “families” of decimals:

  5. Example 1 • Classify the following as rational or irrational. If the number is rational, determine if it is natural, whole, or an integer. (Numbers might have several names).

  6. Example 2 • Put the following numbers in order on the number line below. • √13, -√16, -2, ½, 0.33, π, -2/3 ½ √13        π -2/3 0.33 -√16 -2

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