1. Click the mouse button or press the Space Bar to display the answers.
Transparency 5

2. Splash Screen

3. Objective Divide integers
Example 5-6b

4. Vocabulary
None
Example 5-6b

5. Divide Integers 2. Different Signs Same Sign Negative Answer
Lesson 8-5
Divide Integers
Same Sign
2. Different Signs
Negative Answer
Positive Answer
12  3 = 4
-12  -3 = 4
12  -3 = -4
-12  3 = -4
Example 4-5b

6. Example 1 Divide Integers Example 2 Divide Integers
Lesson 5 Contents

7. Divide numbers without signs
Find
Write problem
- 9  3
Draw arrows to signs
Opposite Signs
Identify signs
9  3
Divide numbers without signs
Answer: - 3
Opposite signs , negative answer
1/6
Example 5-1a

8. Find
Answer: –4
1/6
Example 5-1b

9. Divide numbers without signs
Find
Write problem
28  7
Draw arrows to signs
Same Signs
Identify signs
28  7
Divide numbers without signs
Answer: + 4
Same sign, positive answer
2/6
Example 5-2a

10. Find
Answer: + 3
2/6
Example 5-2b

11. Divide numbers without the signs 16  2
Find
Write problem
- 16  2
Draw arrows to signs
Identify signs
Opposite Signs
Divide numbers without the signs
16  2
Answer: - 8
Opposite signs , negative answer
3/6
Example 5-3a

12. Find
Answer: –4
3/6
Example 5-3b

13. Divide numbers without the signs
Find
Write problem
36  ( - 6 )
Draw arrows to signs
Opposite Signs
Identify signs
36  6
Divide numbers without the signs
Answer: - 6
Opposite signs , negative answer
4/6
Example 5-4a

14. Find
Answer: –7
4/6
Example 5-4b

15. Divide numbers without the signs 30  5
Write problem
- 30  ( - 5 )
Draw arrows to signs
Identify signs
Same Signs
Divide numbers without the signs
30  5
Answer: + 6
Same signs, positive answer
5/6
Example 5-5a

16. Answer: + 7
5/6
Example 5-5b

17. Determine process to use - 56  ( 4 )
MULTIPLE–CHOICE TEST ITEM A scuba diver descended a total of 56 feet below the surface of the ocean in 4 minutes. If the diver descended at a constant rate, which integer gives the feet descended each minute?
feet descended each
minute
A –14 B –7 C 7 D 14
Determine process to use
- 56
 ( 4 )
“feet each minute” refers to division
“below surface” refers to negative
Divide by number of minutes
6/6
Example 5-6a

18. Divide numbers without the signs
Draw arrows to signs
- 56  ( 4 )
Identify signs
Opposite Signs
Divide numbers without the signs
56  4
Opposite signs, negative answer - 14
Choose the correct multiple choice answer
A –14 B –7 C 7 D 14
Answer: A
6/6
Example 5-6a

19. *
MULTIPLE–CHOICE TEST ITEM A hiker descended a total of 48 feet below the peak of a cliff in 6 minutes. If the hiker descended at a constant rate, which integer gives the feet descended each minute?
A 8 B 4 C –8 D –4
Answer: C
6/6
Example 5-6b

20. Assignment
Lesson 8:5
Dividing Integers
All
End of Lesson 5