Algebra 1 2-10 Complete Lesson: Change Expressed as a Percent
starstarstarstarstarstarstarstarstarstar
5 (1 rating)
by Matthew Richardson
| 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.
The outlined content above was added from outside of Formative.
Functionalized Placeholder
1
2
1
10 pts
Solve It! Two stores advertised sales on their websites, as shown. Before the sale, each sweater cost $35. Which store offers the better deal?
The store with the ad on the left.
The store with the ad on the right.
2
10 pts
Explain how you know.
Functionalized Placeholder
4
4
10 pts
Problem 1 Got It?
A
B
C
D
5
10 pts
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?
about 46%
about 14%
about 17%
about 54%
Functionalized Placeholder
6
6
10 pts
Problem 3 Got It?
A
B
C
D
Functionalized Placeholder
7
7
10 pts
Problem 4 Got It?
A
B
C
D
Functionalized Placeholder
8
8
10 pts
A
B
C
D
Functionalized Placeholder
9
9
10 pts
A
B
C
D
Functionalized Placeholder
10
10
10 pts
A
B
C
D
Functionalized Placeholder
11
11
10 pts
A
B
C
D
12
5 pts
Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.

A hat that originally costs $12 sold for $9.50.
Percent decrease
Percent increase
13
5 pts
Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.

You buy a DVD for $10 and sell it for $8.
Percent increase
Percent decrease
14
5 pts
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
Percent increase
Percent decrease
15
10 pts
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.
10 cm
5 cm
0.1 cm
1 cm
16
10 pts
Writing: How is calculating percent increase different from calculating percent decrease?
17
10 pts
Review Lesson 2-9: What percent of 12 is 9?
Enter your response in the following format: 4%
18
10 pts
Review Lesson 2-9: What is 35% of 185?
Enter only a number. Use decimal form, if necessary.
19
10 pts
Review Lesson 1-3: Graph the numbers on the same number line.

20
10 pts
Review Lesson 1-3: Drag the numbers to sort them from least to greatest.
The top should represent the least, the bottom the greatest.
  1. -3
  2. 1/2
  3. 2
  4. -2.8
21
10 pts
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%
22
5 pts
Describe the change as an increase or decrease. 72 to 84
Increase
Decrease
23
5 pts
Describe the change as an increase or decrease. 25 to 16
Decrease
Increase
24
5 pts
Describe the change as an increase or decrease. $.99 to $1.02
Decrease
Increase
25
100 pts
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.
26
10 pts
Reflection: Math Success
Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.