Percent of Change

Percent of Change

Friday 10/2/2020

Percent of Change

• Objective: Students will solve problems involving percent of increase and decrease

• Language Objective: Students will write about and discuss how to solve problems involving percent of increase and decrease

Multiple Choice

BELL RINGER:

At Emily's summer camp, there were 80 girls and 12 counselors. At this rate, how many counselors should they have for 100 girls?

• 10

• 14

• 15

• 16

Multiple Choice

What ratio should you use to determine the percent of change?

• new amount / original amount

• amount of change / new amount

• amount of change / original amount

• original amount / amount of change

Multiple Choice

Once you have divided the amount of change by the original amount, how do you change your answer to a percent?

• Move the decimal two places to the left and add a percent sign

• Move the decimal two places to the right and add a percent sign

• Don't do anything other than add a percent sign

Multiple Choice

Let's try one out:

A pair of Adidas shoes is on sale! The original price of the shoes was $120, but now they are $78. What was the percent of the discount (percent of decrease)?

• 35%

• 65%

• 54%

• .35%

Multiple Choice

And one final one before you try some on your own:

In the Winter, Luna picked 125 apples from her apple tree, but in the Summer, she picked 175. By what percent did the amount of apples she picked increase?

• 71%

• 4%

• 29%

• 40%

Independent Practice

• Use code 09155536 on Quizizz to complete the Independent Practice for Percent of Change