Module 2 lesson 19
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This document contains notes from a math lesson on equivalent expressions with rational numbers. It lists the homework assignments as problem set #3 and CRS #9. The lesson covers working with equivalent expressions involving discounts and sales tax calculations using rational numbers. Examples are shown calculating discounted prices and adjusting expressions for price increases instead of discounts.
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Module 2 lesson 19
- 1. Lesson 19.notebook 1 December 03, 2014 Dec. 3rd HW: · Lesson 19 Problem Set #3 · CRS # 9 Due Tuesday Module 2, Lesson 19 Equivalent Expressions with Rational Numbers Do Now Exit Ticket for Lesson 18
- 2. Lesson 19.notebook 2 December 03, 2014
- 3. Lesson 19.notebook 3 December 03, 2014 Homework Answers S.94
- 4. Lesson 19.notebook 4 December 03, 2014 Homework Answers S.94
- 5. Lesson 19.notebook 5 December 03, 2014 Homework Answers S.94
- 6. Lesson 19.notebook 6 December 03, 2014 S.96
- 7. Lesson 19.notebook 7 December 03, 2014 S.96
- 8. Lesson 19.notebook 8 December 03, 2014 S.96
- 9. Lesson 19.notebook 9 December 03, 2014 Example 2: S.97
- 10. Lesson 19.notebook December 03, 2014 10 Tape Diagram Model
- 11. Lesson 19.notebook December 03, 2014 11 S.97
- 12. Lesson 19.notebook December 03, 2014 12 Tape Diagram Model
- 13. Lesson 19.notebook December 03, 2014 13 S.98 Example 3 An item that has an original price of dollars is discounted 33%. a. Write an expression that represents the amount of the discount. b. Write two equivalent expressions that represent the new, discounted price. c. Use one of your expressions to calculate the new, discounted price if the original price was $56. d. How would the expressions you created in parts (a) and (b) have to change if the item‛s price had increased by 33% instead of discounted 33%?
- 14. Lesson 19.notebook December 03, 2014 14 Sales Tax= Price + (Sales tax as a Percent)(Price)
- 15. Lesson 19.notebook December 03, 2014 15 80 40 22.40 11.60 .8x S.99
- 16. Lesson 19.notebook December 03, 2014 S.99 16
- 17. Lesson 19.notebook December 03, 2014 17
- 18. Lesson 19.notebook December 03, 2014 18
- 19. Lesson 19.notebook December 03, 2014 19