0
Section 9-6Problem Solving Skills:   Work Backwards
Essential Question• How do you solve real-world applications by  working backward?• Where you’ll see this:   • Part-time j...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe...
Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and ...
Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and ...
Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and ...
Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and ...
Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his  garde...
Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his  garde...
Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his  garde...
Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his  garde...
Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his  garde...
Problem Set
Problem Set                     p. 400 #1-17“Live up to the best that is in you: Live noble lives, as  you all may, in wha...
Upcoming SlideShare
Loading in...5
×

Int Math 2 Section 9-6 1011

238

Published on

Problem Solving Skills: Work Backwards

Published in: Education, Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
238
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • \n
  • Transcript of "Int Math 2 Section 9-6 1011"

    1. 1. Section 9-6Problem Solving Skills: Work Backwards
    2. 2. Essential Question• How do you solve real-world applications by working backward?• Where you’ll see this: • Part-time jobs, finance, travel
    3. 3. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus?
    4. 4. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 3rd stop: 2nd stop: 1st stop:
    5. 5. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 2nd stop: 1st stop:
    6. 6. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: Same as third stop 2nd stop: 1st stop:
    7. 7. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 2nd stop: 1st stop:
    8. 8. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 1st stop:
    9. 9. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop:
    10. 10. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop: 1/2 the 1st stop
    11. 11. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop: 20 got on 1/2 the 1st stop
    12. 12. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop: 20 got on 1/2 the 1st stop 5+5+10+20
    13. 13. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop: 20 got on 1/2 the 1st stop 5+5+10+20 =40
    14. 14. Example 1 After four stops, every seat in a school bus was taken. Half as many students got on at the second stop as atthe first stop, and half as many got on at the third stop as at the second stop. At the fourth stop, five students got on, the same number as at the third stop. How many passenger seats were there on that bus? 4th stop: 5 got on 3rd stop: 5 got on Same as third stop 1/2 the 2nd stop 2nd stop: 10 got on 1st stop: 20 got on 1/2 the 1st stop 5+5+10+20 =40 seats
    15. 15. Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and $6 on toys from vending machines. How much money did he start out with?
    16. 16. Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and $6 on toys from vending machines. How much money did he start out with? Has $14, spent $27.45, $8.62, $6
    17. 17. Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and $6 on toys from vending machines. How much money did he start out with? Has $14, spent $27.45, $8.62, $6 14+27.45+8.62+6
    18. 18. Example 2Matt Mitarnowski has $14 in his pocket now. Duringthe day, he spent $27.45 on fez hats, $8.62 on bubble gum, and $6 on toys from vending machines. How much money did he start out with? Has $14, spent $27.45, $8.62, $6 14+27.45+8.62+6 =$56.07
    19. 19. Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his garden, he had 185 plants in all. How many plants were in the garden before he added to them?
    20. 20. Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his garden, he had 185 plants in all. How many plants were in the garden before he added to them? In the end, he has 185 plants
    21. 21. Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his garden, he had 185 plants in all. How many plants were in the garden before he added to them? In the end, he has 185 plants He just planted 42, 32, and 25 plants
    22. 22. Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his garden, he had 185 plants in all. How many plants were in the garden before he added to them? In the end, he has 185 plants He just planted 42, 32, and 25 plants 185-42-32-25
    23. 23. Example 3 After Shecky planted 42 bubble gum trees, 32 cottoncandy bushes, and 25 graphing calculator plants in his garden, he had 185 plants in all. How many plants were in the garden before he added to them? In the end, he has 185 plants He just planted 42, 32, and 25 plants 185-42-32-25 = 86 plants
    24. 24. Problem Set
    25. 25. Problem Set p. 400 #1-17“Live up to the best that is in you: Live noble lives, as you all may, in whatever condition you may find yourselves.” - Henry W. Longfellow
    1. A particular slide catching your eye?

      Clipping is a handy way to collect important slides you want to go back to later.

    ×