1. Lesson 5-8 Pages 227-231 Comparing and Ordering Rational Numbers Lesson Check 5-7

2. What you will learn! How to compare and order fractions, decimals, and percents.

3. Common denominator Least common denominator (LCD) Rational numbers

4. What you really need to know! To compare fractions, rewrite them so they have the same denominator. The least common denominator (LCD) of two fractions is the LCM of their denominators.

5. What you really need to know! Another way to compare fractions is to express them as decimals. Then compare the decimals.

6. Rational Numbers 5.2 0.8 -1.444… Integers -6 -10 What you really need to know! Whole Numbers 8 13 1

8. Find the LCD:

10. Example 1: Joe and his younger brother both had a math test last Friday. Joe scored 48 points out of 60 and his brother scored 55 points out of 75. Who got the better score?

11. Example 1: Joe had the better score.

12. Example 2: According to the Pet Food Manufacturer’s Association, 11 out of 25 people own large dogs and 13 out of 50 own medium dogs. Do more people own large or medium dogs?

13. Example 2: Large!

14. Example 3:

15. 0 0

16. Example 4: Find the number that is rational. A0.12345… B0.123123… C D0.10203…A0.12345…B0.123123… C D0.10203…

17. Natural Numbers Whole Numbers Integers Rational Numbers 5 5555 00 0 0 -7 4.5 3/4

18. Page 229 Guided Practice #’s 3-12

20. Pages 227-229 with someone at home and study examples! Read:

21. Homework: Page 230-231 #’s 14-50 even #’s 54, 55, 58-64 Lesson Check Ch 5

29. Page 576 Lesson 5-8

30. Lesson Check Ch 5

31. Study Guide and Review Pages 232-234 #’s 1-68 (Odd answers in back of book)

38. Prepare for Test! Page 235 #’s 1-20 Lesson Check Ch 5Practice Test Answers Lesson Check Ch 5 V2

41. Practice Test Answers

42. Prepare for Test! Pages 236-237 #’s 1-17