Increase and Decrease
Presentation
•
Mathematics
•
7th Grade
•
Hard
Joseph Anderson
FREE Resource
3 Slides • 7 Questions
1
EQ: How do you use percents to describe change?
2
3
Multiple Choice
What is the correct Percent Change equation?
Percent of change = _____
amount of changeoriginal amount
original amountpercent change
original amountamount of change
percent of changeoriginal amount
4
Multiple Choice
If you have a percent increase problem, your original amount:
Gets bigger
Gets smaller
Doesn't change
Stays the same
5
Fill in the Blanks
The price of a pair of shoes increases from $52 to $64. What is the percent increase? Round to the nearest hundredth place.
Type answer...
6
Fill in the Blanks
What is the percent decrease from 80 to 64?
Type answer...
7
Using Percent of Change to Calculate a New Amount
(use your notes!)
8
Multiple Choice
If there are 200 people that like tea more than coffee, but that number decreases by 60%, how many people still prefer tea to coffee?
80
60
120
140
9
Fill in the Blanks
If there are 48 cookies, and there is a 25% increase in amount of cookies, there are now
Type answer...
10
Open Ended
How well do you think you understand this material? What do you need the most practice with to be prepared for next week's test?
EQ: How do you use percents to describe change?
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