1. The Real Number System

2. Whole numbers Whole numbers Rational numbers Whole numbers Natural numbers Integers 4 9 15 0 1/2 -8 -3 0.45 -¾ 18% π √2√2 − -5.368257…. 0.4 − Irrational numbers

3. Natural number Whole number Integer Rational Irrational Any positive number in whole amounts including the number 0 Any positive or negative number in whole amounts including the number 0 Any positive or negative fraction decimal or whole number Any fraction or decimal that is not terminating or repeating Counting numbers (does not include 0)

4. Natural number Whole number Integer Rational Irrational 8 8 8 8 -6 2.25 4.0 ~ ~ ⅚ ⅚ 0.83333333 -3.59 -√ 25 4.2598357…. ¹⁵/₃ √ 35 5.9160797… 8 4.0 ¹⁵/₃

5. Pages 87 – 88 1 – 17 all

6. Whole numbers Whole numbers 4 915 0 1/2 -8-3 0.45 -¾ 18% π √2√2 − -5.368257…. 0.4 −

7. Natural number Whole number Integer Rational Irrational

8. Natural number Whole number Integer Rational Irrational 8 -6 2.25 4.0 ~ ⅚ -3.59 -√ 25 4.2598357…. ¹⁵/₃ √ 35