Module 1 Lesson 15.notebook

November 25, 2013

Module 2, Lesson 15

11/25/13

Multiplication and Division
of Rational Num...
Module 1 Lesson 15.notebook

November 25, 2013

2
Module 1 Lesson 15.notebook

November 25, 2013

Problem Set Solutions

3
Module 1 Lesson 15.notebook

November 25, 2013

Two minutes

4
Module 1 Lesson 15.notebook

November 25, 2013

Switch papers and solve your 
partner's question.  

5
Module 1 Lesson 15.notebook

November 25, 2013

Now change the word problem by
replacing the integers with
non-integer rat...
Module 1 Lesson 15.notebook

November 25, 2013

Multiply the absolute values of the two rational numbers.

If the two numb...
Module 1 Lesson 15.notebook

November 25, 2013

Divide the absolute values of the two rational numbers.

If the two number...
Module 1 Lesson 15.notebook

November 25, 2013

Problem Set #4

9
Module 1 Lesson 15.notebook

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Extra Examples

1.)

2.)  

-4 ÷ 1

2
5

10
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Module 1 Lesson 15.notebook

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Closing:
• When answering word problems today about the Grimes
Middle Scho...
Module 1 Lesson 15.notebook

November 25, 2013

18
Module 1 Lesson 15.notebook

November 25, 2013

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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

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