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Properties of Real Numbers. TYPES OF NUMBERS NATURAL  5, 3, 1, 700, 26 … positives, no fractions WHOLE  0, 1, 1052, 711, … naturals and 0 INTEGERS 

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Presentation on theme: "Properties of Real Numbers. TYPES OF NUMBERS NATURAL  5, 3, 1, 700, 26 … positives, no fractions WHOLE  0, 1, 1052, 711, … naturals and 0 INTEGERS "— Presentation transcript:

1 Properties of Real Numbers

2 TYPES OF NUMBERS NATURAL  5, 3, 1, 700, 26 … positives, no fractions WHOLE  0, 1, 1052, 711, … naturals and 0 INTEGERS  -4, -20, 0, 2, 78 … number line RATIONALS  6.2, 1/2, 0, 3.628, -2/3… integers with fractions IRRATIONALS  √2, -√5, ∏… non-terminating decimals (no repeats) INTEGERS WHOLES IRRATIONAL RATIONALS NATURALS

3 EX - Types  Rationals, integers  Rational  Irrational  Rational  Irrational -2  -8/5  ∏   √7 

4 Graphing Numbers on a Number line 0

5 More Vocabulary... Opposite or Additive Inverses -A positive and a negative -Ex: a and –a -10 and 10

6 More Vocabulary... Reciprocals or Multiplicative Inverses -Flip the number and multiply by a negative -Ex: 2 and – 1/2 -2/3 and 3/2

7 PROPERTIES a+b=b+a or a∙b=b·a a+(b+c) = (a+b)+c a ∙ (b ∙ c) = (a ∙ b) ∙ c a+0=a a ∙1=a a+-a = 0 a ∙(1/a) = 1 a(b + c) = ab + ac COMMUTATIVE  ASSOCIATIVE  IDENTITY  INVERSE  DISTRIBUTIVE 

8 Absolute Value Absolute Value is the distance away from zero on a number line 0

9 Practice finding the absolute value


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