Properties of Real Numbers

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Presentation transcript:

Properties of Real Numbers 1.2 Notes Properties of Real Numbers

Warm-up: 1) -(-7.2) = 3) (-3.4)(-2)   2) 1 – (-3) = 4)

Objectives and Vocabulary To graph and order real numbers To identify properties of real numbers VOCABULARY: Opposite Additive Inverse Reciprocal Multiplicative Inverse

Place these numbers on the number line.

Real Numbers Natural Numbers naturally what babies start with (counting) Whole Numbers natural numbers and zero. Integers - natural numbers, zero, and negative integers. Each negative integer is the additive inverse (or opposite) of a positive integer

Real Numbers Rational Numbers -all numbers that can be written as quotients (division) of integers. - can be terminating decimals or repeating decimals. Irrational Numbers - cannot be written as quotients of integers - decimal representations neither terminate or repeat (like pi). - if positive rational number in not a perfect square root such as 25 or then, its square root is irrational.

REAL NUMBERS Rational Numbers Irrational Numbers N Natural Whole Integers

Comparing Numbers Inequality Symbols > or < Compare using inequality symbols.

Properties of Real Numbers Property Addition Multiplication Commutative Associative Identity Inverse Distributive

State the property a. b. c.

HOMEWORK P. 15 # 1-9(odd), 10, 15, 20, 29, 33, 37, 40