1. Module 2 Lesson 19.notebook
December 10, 2013
Module 2, Lesson 19
HW:
• Lesson 19 Problem Set
#1-2
Equivalent Expressions
with Rational Numbers
Do Now:
Exit Ticket For Lesson 18
1

2. Module 2 Lesson 19.notebook
December 10, 2013
2

3. Module 2 Lesson 19.notebook
December 10, 2013
Exit Ticket Answers
3

4. Module 2 Lesson 19.notebook
December 10, 2013
Homework Answers
4

5. Module 2 Lesson 19.notebook
December 10, 2013
Homework Answers
5

6. Module 2 Lesson 19.notebook
December 10, 2013
Homework Answers
6

7. Module 2 Lesson 19.notebook
December 10, 2013
TIC TAC TOE
4(3 - x)
2x + 2(x - 6)
3x - 6
4(-1x + 1)
4x - 16
7

8. Module 2 Lesson 19.notebook
December 10, 2013
Example 2:
8

9. Module 2 Lesson 19.notebook
December 10, 2013
Tape Diagram Model
9

10. Module 2 Lesson 19.notebook
December 10, 2013
10

11. Module 2 Lesson 19.notebook
December 10, 2013
Tape Diagram Model
11

12. Module 2 Lesson 19.notebook
December 10, 2013
12

13. Module 2 Lesson 19.notebook
December 10, 2013
Example 3
An item that has an original price of
discounted 33%.
dollars is
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%?
13

14. Module 2 Lesson 19.notebook
December 10, 2013
Sales Tax= Price + (Sales tax as a Percent)(Price)
14

15. Module 2 Lesson 19.notebook
December 10, 2013
80
40
22.40
11.60
.8x
15

16. Module 2 Lesson 19.notebook
December 10, 2013
16

17. Module 2 Lesson 19.notebook
December 10, 2013
17

18. Module 2 Lesson 19.notebook
December 10, 2013
18

19. Module 2 Lesson 19.notebook
December 10, 2013
19