Upcoming SlideShare
×

# Module 2 lesson 15

644 views

Published on

Published in: Technology, Education
0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total views
644
On SlideShare
0
From Embeds
0
Number of Embeds
346
Actions
Shares
0
2
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Module 2 lesson 15

1. 1. Module 1 Lesson 15.notebook November 25, 2013 Module 2, Lesson 15 11/25/13 Multiplication and Division of Rational Numbers Homework: Lesson 15 Problem Set Do Now: Do Lesson 13 Exit Ticket 1
2. 2. Module 1 Lesson 15.notebook November 25, 2013 2
3. 3. Module 1 Lesson 15.notebook November 25, 2013 Problem Set Solutions 3
4. 4. Module 1 Lesson 15.notebook November 25, 2013 Two minutes 4
5. 5. Module 1 Lesson 15.notebook November 25, 2013 Switch papers and solve your  partner's question.   5
6. 6. Module 1 Lesson 15.notebook November 25, 2013 Now change the word problem by replacing the integers with non-integer rational numbers (fractions or decimals), and write the new equation. 6
7. 7. Module 1 Lesson 15.notebook November 25, 2013 Multiply the absolute values of the two rational numbers. If the two numbers (factors) have the same sign, their product is positive. If the two numbers (factors) have opposite signs, their product is negative. 7
8. 8. Module 1 Lesson 15.notebook November 25, 2013 Divide the absolute values of the two rational numbers. If the two numbers (dividend and divisor) have the same sign, their quotient is positive. If the two numbers (dividend and divisor) have the opposite signs, their quotient is negative. 8
9. 9. Module 1 Lesson 15.notebook November 25, 2013 Problem Set #4 9
10. 10. Module 1 Lesson 15.notebook November 25, 2013 Extra Examples 1.) 2.)   -4 ÷ 1 2 5 10
11. 11. Module 1 Lesson 15.notebook November 25, 2013 11
12. 12. Module 1 Lesson 15.notebook November 25, 2013 12
13. 13. Module 1 Lesson 15.notebook November 25, 2013 13
14. 14. Module 1 Lesson 15.notebook November 25, 2013 14
15. 15. Module 1 Lesson 15.notebook November 25, 2013 15
16. 16. Module 1 Lesson 15.notebook November 25, 2013 16
17. 17. Module 1 Lesson 15.notebook November 25, 2013 Closing: • When answering word problems today about the Grimes Middle School Flower Fundraiser, how did you know whether to multiply or divide? • How did you know whether to express your answer as a positive or negative number? • In general, how does the context of a word problem indicate whether you should multiply or divide rational numbers, and how your answer will be stated? 17
18. 18. Module 1 Lesson 15.notebook November 25, 2013 18
19. 19. Module 1 Lesson 15.notebook November 25, 2013 19