1. Objective: We are going to use the word “of” to compute percents mentally and use it to estimate percents.
Percents “of’s”

2. Percent of a number-fraction
Textbook pg helpful with fractions!
25% of 36
50% of 14
40% of 15

3. Percent of a number-fraction

4. Percent of a number-Decimal
“of” means multiply
Change % to decimal and multiply
20% of 85
125% of 64
72% of 50

5. Percent of number - Decimal
80% of % of % of 90
90% of % of 20 7% of 700

6. Word problems
600 tickets sold for raffle of concert. Probability you win is 7%. How many tickets did you buy?
Wind power generates of worlds electricity. Write as a percent.

7. Word Problems
Company made $350 million in sales. 0.9% came from internet sales. How much money came from internet sales?
If a company gets 80% of sales and they made $45 million, how much money does the company get?

8. Wrap up
Questions/Concerns
Hw: worksheet