1. Percent Proportion
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2. Warm Up Practice Write each percent as a fraction and a decimal.
1). 35% ). 77.8% 3). 49%
Write the decimal as a fraction and a percent.
4) ) ). 0.60
Write each fraction as a decimal and a percent.
7). 𝟏𝟔 𝟐𝟎 ). 𝟏 𝟖 9). 𝟗 𝟏𝟎
𝟒𝟗 𝟏𝟎𝟎 , 𝟎.𝟒𝟗
𝟕 𝟐𝟎 , 0.35
389/500, 0.778
3/5, 60%
¼, 25%
𝟐 𝟑 𝟓 , 𝟐𝟔𝟎%
0.125, 12.5%
0.90, 90%
0.80, 80%

3. Percent Proportion
Finding a Whole
Finding a Part
Finding Percent

4. Percent Proportion
𝐩𝐚𝐫𝐭 𝐰𝐡𝐨𝐥𝐞 = % 𝟏𝟎𝟎
𝐢𝐬 𝐨𝐟 = % 𝟏𝟎𝟎

5. X=40 Finding a Whole 𝟐𝟗 𝒙 = 𝟕𝟐.𝟓 𝟏𝟎𝟎 𝟐𝟗 𝐢𝐬 𝟕𝟐.𝟓% of what number?
Example 1:
𝟐𝟗 𝐢𝐬 𝟕𝟐.𝟓% of what number?
𝟐𝟗 𝒙 = 𝟕𝟐.𝟓 𝟏𝟎𝟎
𝐩𝐚𝐫𝐭(𝐢𝐬) 𝐰𝐡𝐨𝐥𝐞(𝐨𝐟) = % 𝟏𝟎𝟎
X=40

6. X=2 Finding a Part Example 2: What is 8% of 25? 𝒙 𝟐𝟓 = 𝟖 𝟏𝟎𝟎
𝐩𝐚𝐫𝐭(𝐢𝐬) 𝐰𝐡𝐨𝐥𝐞(𝐨𝐟) = % 𝟏𝟎𝟎
X=2

7. X=20% Finding a Percent 𝟓 𝟐𝟓 = 𝑥 100 𝐩𝐚𝐫𝐭(𝐢𝐬) 𝒘𝒉𝒐𝒍𝒆(𝒐𝒇) = % 100
Example 3: 5 is what percent of 25?
𝟓 𝟐𝟓 = 𝑥 100
𝐩𝐚𝐫𝐭(𝐢𝐬) 𝒘𝒉𝒐𝒍𝒆(𝒐𝒇) = % 100
X=20%

8. Practice 1). 24 is what percent of 32? 2). What is 40% of 15
4). 80% of what number is 15?
5). 75 is what percent of 50?
6). 12% of what number is 42?
75% 6
𝟑𝟑.𝟑𝟑𝟑…%
18.75
150%
350

9. Percent Proportion Bingo

10. Closure Solve each problem: a). 20% of 5 is what number?
b). 2 is what percent of 5?
c). 2 is 20% of what number? 1
40% 10