Inequality Word Problems
Presentation
•
Mathematics
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7th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 10 Questions
1
Turning Word Problems into Inequalities
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When solving inequality word problems, remember the key words and phrases that go along with each inequality symbol:
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4
Matilda needs at least $112 to buy a new dress. She has already saved $40. She earns $9 an hour while babysitting.
In the problem above, what are the important pieces of information in order to create an inequality?
5
Ayzsa needs to get at least 159 total points to get an A in the class. If she has 47 right now and there are 4 more total assignments, how many points does she need on average to get an A?
What are the important pieces of information from this problem?
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Multiple Choice
The dance committee hired a DJ for the fall dance. The DJ charges $125 per hour in addition to $55 for an assistant. The committee wants to keep the total cost under $600. Which inequality symbol should be used to represent this inequality?
<
>
≤
≥
9
Multiple Choice
To order from the kid's menu a person must be no more than 12 years old. Let k represent the kid's age.
k > 12
k < 12
k ≥ 12
k ≤ 12
k = 12
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Multiple Choice
≥
≤
<
<
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Multiple Choice
Four times a number increased by 7 is at least 19.
>
≥
<
≤
12
Multiple Choice
≥
≥
≥
≤
13
Multiple Choice
15 + 6x ≤ 100?
Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?
Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?
14
Multiple Choice
Matilda needs at least $112 to buy a new dress. She has already saved $40. She earns $9 an hour babysitting. Select the inequality below that matches the problem.
40x−9<112
40+9x=112
40 + 9x ≥112
112+9x<40
15
Multiple Choice
Ayzsa needs to get at least 159 total points to get an A in the class. If she has 47 right now and there are 4 more total assignments, how many points does she need on average to get an A? Select the inequality that represents the problem.
47+4x≥159
4x≥159
159−4x<47
47x+159<4
Turning Word Problems into Inequalities
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