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A113ExpRealNumb.notebook Algebra 1 Ch.1 Notes Page 16 P16 13 Exploring Real Numbers September 08, 2014 Number Systems Natural Whole Integers Rational 1,2,3 0,1,2,3 3, 2, 1, 0, 1, 2, 3 a/b (b ≠ 0) 2/3 5/6 Irrational √2, π, √3 Real All Rational and Irrational Sep 28:31 AM Oct 97:11 AM Inequalities Counter Examples A counter example is any example that proves a statement to be false. 1. All Whole numbers are Integers? a = b a is equal to b a ≠ b a is not equal to b a < b a is less than b a < b a is less than or equal to b a > b a is greater than b a > b a is greater than or equal to b 2. No Fractions are Whole numbers? Oct 206:57 AM Oct 207:02 AM Putting Numbers in Order Opposites and Absolute Values Change Fractions to Decimals Smaller Numbers are left on a number line. Bigger Numbers are right on a number line. Opposites Two numbers that are the same distance from zero, but in different directions. 3 A 2/3 B 1/4 C 4 D 2 E 3 F 3 G 1/2 H 1/3 3 Absolute Value Distance a number is from zero. It will always be a Positive Number. | 3 | Oct 207:10 AM | 3 | Oct 207:14 AM 1 A113ExpRealNumb.notebook Practice solving with Absolute Values | 2 | + | 6 4 | September 08, 2014 In Class 13 P20 #??? Please put your name and class period at the top of the homework. Also include the homework number. | 5 | x | 4 | Oct 207:19 AM Sep 58:39 AM 2