1. Cook out
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click on your choice
teacher notes
graph application
review of graphs
dlangley 4/10

2. The menu for your barbecue has been decided: burgers and
wings!
you plan to spend no more than $24 for the meat. The
local store sells Burger for $3.00 per pound and wings for
$2.40 per pound.
write an inequality to model the purchase choices

3. burger is $3/ lb wings $2.40/lb
you want to spend
no more than $24
b = number pounds burger
w = number pounds wings
write an inequality to show the solutions
erase below for answer:
3b + 2.4w < 24 graph your inequality:

4. 3b + 2.4w < 24
back burger and wing purchase
10
9
8
wings 7
(pounds) 6
5
4
3
2 shade the
1
half plane
1 2 3 4 5 6 7 8 9 10
burger (pounds)

5. 3b + 2.4w < 24
burger and wing next
purchase
10
9
8
wings 7
(pounds) 6
5
4 click on my spatula, then
click on the half-plane you
think should be shaded to
3 make the inequality correct.
2
1
1 2 3 4 5 6 7 8 9 10
burger (pounds)

6. 3b + 2.4w < 24
questions
burger and wing
purchase
10
9
8
wings 7
(pounds) 6
5
4
3
2
1
1 2 3 4 5 6 7 8 9 10
burger (pounds)

7. to the graph
·can you buy 6 lbs of burger and 4 lbs wings if you want to stay within your set
budget?
·how many pounds of wings can you buy if you decide not to buy any burger?
·if you buy 3 lbs of burger, what is the most whole pounds of wings you can
buy?
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8. Inequalities on a plane
·review of graphs
>

9. graph the inequality on your paper, then slide the arrow to check
y>x
y > -x
next
slide

10. drag the key word to the matching inequality column
incorrect answers will "disappear"
< >
at most
no more than
at least
less than
or equal to
greater than
or equal to
no next
less
than

11. Match the inequality to the graph
note: > is written as >= < is < = next

12. touch the graph that correctly shows: y < -3x + 4
next

13. touch the graph that correctly shows: y > 4 x - 6
3

14. Information:
1) review writing an inequality
2) review of graphing inequalities on coordinate plane
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Lesson objectives Teachers' notes

15. Subject: Math
Topic:
review inequalities on plane
Grade(s):
Prior knowledge:
7,8, Pre Algebra, Algebra
know how to write and graph inequalities on coordinate plane
Lesson notes:
when needed, directions are given on the page
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Lesson objectives Teachers' notes