1. Warm Up Problems
(We are going to need calculators today – get one now.)
Write each fraction as a decimal.

2. Percent of a Number
Lesson 2-7

3. Objectives
I can find the percent of a number using decimals and fractions.

4. Example 1 – Notes
Suppose there are 300 students at York Middle School. Find the number that have cheese as a snack.
Write the percent as a decimal.
15% = 0.15
Then multiply:
0.15 x 300 = 45
So, 45 students have cheese
as a snack.

5. Example 1 – Another Way
Step 1: Make 15% a fraction. 15% = Step 2: Multiply that by 𝑥 Simplify: = 45

6. Got It?
1. Find the number of students at York Middle School that have chips as a snack.

7. Example 2
Find 145% of 320. Step 1: Write the percent as a decimal. 145% = 1.45 Step 2: Multiply x 320 = 464

8. Got It?
2. Find 220% of 65.

9. Example 4: Percents Less Than 1%
Find 0.25% of 58.
Step 1: Write 0.25% as a decimal.
0.25% =
Step 2: Multiply.
x 58 = 0.145
So, 0.25% of 58 is 0.145

10. Got It?
4. Find 0.3% of 200.

11. Example 5
In a recent state Special Olympics meet, Franklin County sent a team of 70 players. Twenty percent of the team competed in soccer. How many athletes competed in soccer? Step 1: Write 20% as a decimal. 20% = 0.2 Step 2: Multiply. 0.2 x 70 = 14 So, 14 athletes competed in soccer.

12. Got It?
Troy wants to buy a jersey of his favorite MLS team. The jersey is 30% off the original price. If the original price is $35, what is the amount Troy will save?