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Algebra 1 3-4 Solving Multi-Step Inequalities
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5 (1 rating)
by Matthew Richardson
| 23 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
The outlined content above was added from outside of Formative.
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10 pts
Solve It! Math Club members are selling Pi Day T-shirts for \$7.50 each. The goal is to raise \$500 by Friday. The figure shows how much they have raised by Wednesday. What is the minimum number of shirts they must still sell in order to reach their goal?
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Problem 1 Got It?
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Problem 1 Got It?
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Problem 1 Got It?
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Problem 2 Got It?
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Problem 3 Got It?
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Problem 4 Got It? Reasoning: The first step in solving Problem 4 was to subtract 3n from each side of the inequality. What else could have been the first step in solving the inequality? Explain.
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Problem 5 Got It?
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Problem 5 Got It?
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Reasoning: Can you solve the inequality 2(x - 3) ≤ 10 without using the Distributive Property? Explain.
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Error Analysis: Your friend says that the solutions of the inequality -2(3 - x) > 2x - 6 are all real numbers. Do you agree with your friend? Explain. What if the inequality symbol was ≥ ?
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10 pts
Review Lesson 3-3: Solve the inequality.

-8 ≤ y
-8 ≥ y
-72 ≤ y
-72 ≥ y
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10 pts
Review Lesson 1-3: Match each number set into its number family.
• Natural Numbers
Answer by dragging items here
• Whole Numbers
Answer by dragging items here
• Integers
Answer by dragging items here
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10 pts
Vocabulary Review: Decide if the inequality symbol will change when you solve each inequality. Categorize the inequalities appropriately.
• Reverse
Answer by dragging items here
• Stay the same
Answer by dragging items here
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10 pts
Use Your Vocabulary: Use the words at least or at most to complete each sentence.
• You must be __?__ 18 years of age to vote in a national election.
Answer by dragging items here
• An elevator can safely carry __?__ 15 people.
Answer by dragging items here
• When water boils, you know the temperature is __?__ 212°F.
Answer by dragging items here
• If all books cost \$3 and Jane has \$20, she can buy __?__ books.
Answer by dragging items here
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Use Your Vocabulary: Now match the appropriate inequality symbol with each sentence.
• You must be __?__ 18 years of age to vote in a national election.
Answer by dragging items here
• An elevator can safely carry __?__ 15 people.
Answer by dragging items here
• When water boils, you know the temperature is __?__ 212°F.
Answer by dragging items here
• If all books cost \$3 and Jane has \$20, she can buy __?__ books.
Answer by dragging items here
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10 pts
Reflection: Math Success
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