Unit 1. Day 7. Please get out paper

Unit 1. Day 7. Please get out paper

Unit 1. Day 7. Please get out paper for todays lesson Name Date Period -------------------------------------------------------- Topic: Dividing Integers 7.NS.A.2 Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers 1)

2) Quick Exponent Review Integer Division h h? 7

7 7 8 8 8 8 9 9 9 9 9

( ) 3 3 ( 44) 2

44 2 ) 6 ( 6 3 6 6 3

Example A: Example B: Example C: Example D: 2 4 4 + 16

3 5 5 5 125 4 ( 4 ) 5 ( 5 ) 3

4 4 16 2 5 5 5 125 Example E: (1 ) 1 1 1 1 1 1

( ) 6 () 1 1

1) 2) Quick Exponent Review Integer Division Remember We can think of subtraction as addition. 8 5 8

+ ( 5 ) ++++++++ subtraction addition Division is REALLY a form of multiplication. 20 4 1

20 1 1 4 1 5 20 4

2 2 5 22 5 1 5 Division is REALLY a form of multiplication.

24 8 1 24 1 1 8 1

3 24 8 2 2 2 3 2 2 2 3 1

3 IF *Division is REALLY a form of multiplication. *And these are the rules of integer multiplication THEN *These rules apply to integer division too! Example F: Example G: Example H:

Example I: Example J: Example K: Example L: Example M: 9 + 6 2 + 1 + 3 2 + 8

6 Division 16 2 Example N: 8 Example O:

+ 7 Example P: Example Q: Example R: Example S: 5 + 5 + 8 9

Example T: Example U: + 6 3 Are the answers the same or different? Why/Why not? 14 7

14 ( 7 ) ( 14 7 ) dividend quotient 16 2 8 divisor 16 2=8

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