1. Math 8 Chapter 1 Lesson 1 page 7

2. Page 7 Essential Question: Why is it helpful to write numbers in different ways? Common Core State Standards: 8.NS.1 Mathematical Practices: 1,3,4,6,7,8 I can write rational numbers as decimals and decimals as fractions Without Calculators

3. Engage Vocabulary Notes

4. VocabularyWordsSymbolsModel Rational NumberA rational number is a number that can be written as the ratio of two integers in which the denominator is not zero. a/b, where a and b are integers and b≠ 0 Examples Repeating DecimalA decimal whose digits repeat in groups of one or more. 0.181818… Terminating Decimal A decimal whose digits end. 0.2 -1.345 11/20 = 0.55

5. Notes Rational Numbers come from the root word “RATIO” or numbers that can be written as a comparison of two integers. Fractions (ratios) are rational numbers. Decimals that end or repeat can be written as fractions and are rational numbers.

6. Explore/Explain Chart Internet Activity Fraction/Decimal/Percent

7. Examples - Complete NumberDecimalFractionRational or Not Rational 19% 3/4 0.32 3 1/11.625 - 1 2/3 -2/9 0.45 -0.777…

8. Elaborate Guided Practice

9. Guided Practice page 10 ODD Problems and Answers

10. Guided Practice Page 10

14. Guided Practice page 10 EVEN Answers

15. Guided Practice Page 10 - Even 2. -1.725 4. 0.438 6. - 7/9

16. Explore/Explain Got It Problems

17. Got it A-D Problems page 8 Convert to decimals A. ¾ B. -2/9 C. 4 13/25 D. 3 1/11

18. Got it A-D Answers page 8 A. ¾ =.75 B. -2/9 = -0.222… C. 4 13/25 = 4.52 D. 3 1/11 = 3.090909…

19. Got It E Problem page 9 In a recent season, NASCAR driver Jimmie Johnson won 6 of the 36 total races held. To the nearest thousandth, find the part of races he won.

20. Got it E Answer page 9

21. Got it F-G Problems pg 10 Convert to fractions or mixed numbers in simplest form. F. -0.14 G. 0.272727…

22. Got it F-G Answers pg 10

23. Evaluate Classwork Activities

24. Classwork 1. How Does It Fit (HDIF) –How Does It Fit (HDIF) Card Stock (30 sets different colors) 2. Find Someone WhoFind Someone Who Grade/Collect 3. Extra Practice pgs 13-14 HDIF (20 problems – 20 minute) Exchange and grade 4. Worksheets PreAlgw/pizzaz pg 81 5. Foldable – File in FolderFoldable Another Example 6. Rational Number App TIRational Number App TI

25. Homework – Independent Practice pages 11-12