Percent Proportion TeacherTwins©2014

Warm Up Practice Write each percent as a fraction and a decimal. 1). 35% 2). 77.8% 3). 49% Write the decimal as a fraction and a percent. 4). 0.25 5). 2.60 6). 0.60 Write each fraction as a decimal and a percent. 7). 𝟏𝟔 𝟐𝟎 8). 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%

Percent Proportion Finding a Whole Finding a Part Finding Percent

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

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

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

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%

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

Percent Proportion Bingo 3.5 214.5 28 165 24 20 35 75 62.5 72 300 33.3 200 36 23.3 16 250 25 81.25 140 40 352 37.5

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