One-Step Inequalities
Two-Step Inequalities
Graphing Inequalities
Writing a Story/Inequality
Word Problems
100
x + 5 > 10
x > 5
100
2x + 1 > 7
x > 3
100
Graph this inequality: x > 2
Line drawn on board
100
Write an inequality from this story: I went to the fair with my friends. The entrance fee for the fair was $7. There is an additional charge of $3 per ride. I do not want to waste more than $25.
3x + 7 < 25
200
-2n < -12
n > 6
200
2x - 3> 1
x > 2
200
Graph following inequality: x > (or equal to) 8
Answer on board
200
Write an inequality for this story. I am planning on buying a car. In order to buy the car I need to make a down payment of $2,000. Each month I need to pay $300. If I need to pay at least $8,000 how many months will it take to finish paying that car off?
300x + 2000 < 8000
300
n/3 < -21
n < -63
300
2x - 4 < 12
x < 4
300
Graph inequality: x < -2
Answer on board
300
Come up with a story for this inequality: 3x + 2 > 10
Stories will vary.
300
Ryan is a wrestler trying to make weight. He currently weighs 200 lbs. If he cuts 2 lbs. per week, how many weeks will it take him to weigh less than 175 lbs?
x > 12.5 weeks
400
-6 +n < -9
n < -3
400
-2x - 4 < 11
x> -15/2
400
Solve and graph: 3x > 12
Answer on board x > 4
400
Write a story for this inequality: 100x + 200 > 300
Stories will vary
400
Tom is deciding whether or not he should become a member gym to use their basketball courts. the membership cost is $135. Members pay $2 to rent out the basketball courts. Non-members can rent the court also, but they have to pay $11 each time. How many times would Tom need to rent the court in order for it to be cheaper to be a member than a nonmember?
At least 15 times
500
n/-6 > -2
n < 12
500
y/ 2 - 1/2 > 4
y > 9
500
Solve and Graph: -2x < 12
Answer on board x> -6
500
Write a story for the following inequality: 12x +24 > 36
Stories might vary
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