Algebra 1 2-10 Complete Lesson: Change Expressed as a Percent
By Matthew Richardson
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Last updated over 3 years ago
26 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.
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Question 1
1.
Solve It! Two stores advertised sales on their websites, as shown. Before the sale, each sweater cost $35. Which store offers the better deal?
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Question 2
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Explain how you know.
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Question 4
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Problem 1 Got It?
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Question 5
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Problem 2 Got It? In one year, the toll for passenger cars to use a tunnel rose from $3 to $3.50. What is the percent increase?
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Question 6
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Problem 3 Got It?
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Question 7
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Problem 4 Got It?
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Question 8
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Question 9
9.
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Question 10
10.
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Question 11
11.
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Question 12
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Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.
A hat that originally costs $12 sold for $9.50.
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Question 13
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Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.
You buy a DVD for $10 and sell it for $8.
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Question 14
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Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.
A store buys glasses wholesale for $2 per class. The store sells them for $4.50
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Question 15
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Reasoning: What is the greatest possible error of a measurement taken to the nearest tenth of a meter? Hint: Consider how many centimeters are in one tenth of a meter.
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Question 16
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Writing: How is calculating percent increase different from calculating percent decrease?
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Question 17
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Review Lesson 2-9: What percent of 12 is 9?
Enter your response in the following format: 4%
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Question 18
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Review Lesson 2-9: What is 35% of 185?
Enter only a number. Use decimal form, if necessary.
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Question 19
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Review Lesson 1-3: Graph the numbers on the same number line.
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Question 20
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Review Lesson 1-3: Drag the numbers to sort them from least to greatest.
The top should represent the least, the bottom the greatest.
2
-3
1/2
-2.8
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Question 21
21.
Vocabulary Review: Match each coin with the percent of a dollar it represents.
penny
quarter
nickel
dime
50-cent piece
5%
10%
1%
50%
25%
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Question 22
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Describe the change as an increase or decrease. 72 to 84
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Question 23
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Describe the change as an increase or decrease. 25 to 16
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Question 24
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Describe the change as an increase or decrease. $.99 to $1.02
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Question 25
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Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.
