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Percentage ^

Transcript: Task 1 Lesson Starter 1. Without a calculator, do the following; a) 10% of £36 b) 20% of 40ml c) 35% of £50 2. With a calculator, work out the following; a) 8% of £24 b) 89% of 60g c) 73% of £45 Add as many notes as you need Task 2 L.I. To be able to calculate a percentage increase and decrease in context. Percentage increase and decrease Task 3 With a Calculator... Task 4 With a calculator... Task 5 Homework Task 6 More text here Task 6 Task 7 More text here Task 7 Task 8 More text here Task 8 Task 9 More text here Task 9

Percentage

Transcript: Percentage By Ashley, Diana Jasmine, Shauna Changing fraction to decimal Using Calculator By Diana Hi, my name is Diana, and I am going to help you to solve this mission. If you just follow along what I say, you will be safe Message: I was confused. Nobody is going to be explode. I was suppose to send this message to next class. Fraction to Percentage By Ashley Help me! My name is Ashley, and I have to go run on mom's errand. It has to be exactly same as my mom ordered. Discount By Jasmine I am Sherlock Homes. You have to help me solving some problems to find where Arsen Lupin is... I have to buy $10 worth 'Magic Tool'. It is 10% off! Hmm... How much do I have to pay? A Mart and Mart B has a same TV. A Mart's TV worth $300 and it's 20% off for a sale. Mart B's TV worth $250 and it's in 5% sale. Which one is more cheaper? What is the password? 10%of 650 is.............. Last hint: Gor Thank you for helping me! We have three letters. Mr.,don,Gor. When I unscramble the words..... Oh my gosh! Mr.Gordon was Arsen Lupin! I must arrest him now! 20% sale!! Great job! I didn't notice that you will solve problems this fast! First HInt: Mr. Thank you for listening to our presentation!!!! 5 30 Now, press S/D button which is above delete button. Then what do you get? = There are four triangles. One of them is shaded. 5 1 2 4 First, we have to figure out how much A Mart's TV cost. $300x0.2=$60 $300-$60=$240 Then, let's figure out how much B Mart's TV cost. $250×0.05=$12.5 $250-12.5=$237.5 $240>237.5 So, B Mart's TV is more cheaper. 100 Hurray! This is the last part! We are almost there! We have to find what is fraction of the one triangle out of four triangles first. $10-$1=? =25% Application 1. Mission: Find the value of 9/30 in percentage. Second Hint: don =0.05. Now multiple 100 with the decimal you got. Write your answer down. I will come around and look at your answer. If you get right, I will give you a prize. If you don't, watch out! You're going to be explode! 2 9 30% Answer $9 100 When you are trying to change fractions to decimal, it's easy to make denominator to 100. 4x25=100 1x25=25, so 1 can be 25 Message: Hi, I have important mission for you about using calculator. If you don't solve this problem in 10 minutes, this class will explode. Now here is the mission. 9 30 so? First I bought 9/30 percentage to fraction One out of four equals 1 Answer 0.3 3.what is 175% in decimals? 100 Write 2 =5% Now brainstorm what we can do now. 0.40 in percentage A Mart's TV: 300 *Tip* If you want to make decimals to percent you have to move decimal point front of the numbers of zero in the denominator. ex) 5% sale!! First, we have to make this fraction to decimals. (cc) image by nuonsolarteam on Flickr =50% 4 100 $14.8 40 $10x0.1=? we have to go back one space as the 0.1 does, and it is $1. We can do opposite way of fraction to percentage Now, go where Arsen Lupin stays now, and insert the password that I told you. By Shauna 148 100 = Mart B's TV:$250 5 *P.S. Don't forget that Arsen Lupin leaves Korea tonight! You must find him before tonight! 65 Dear Sherlock Homes, I have some clues to help finding Arsen Lupin. 1.The password that Arsen Lupin uses is same as 10% of 650. 2.Arsen Lupin is staying in room 13 in Coco Hotel. 3.There's more clue if you buy a 'Magic Tool'. Now, go buy a TV that is cheaper than other TV. 1 4 100% in decimal is 1 and 75% in decimal is 0.75 so, 1+0.75=1.75% First we have to know how much is 10% of $10 is. First, divide 9 by 30 using calculator. What is the answer? Great job! You're great! 2. change 87% to fraction. First, divide 175% to 100&+75% Dear Ashley, I have some questions for you. Ashley, great job! Thank you for running for my errands. -your mom. 87%=0.87=87 100 Review 25 equal to 0.25 because 1 equal to 0.1.

Percentage

Transcript: Percentage of a Quantity Mr Ng has $400. He spent 25% of his money. How much money did he spend? Example Usual Price -> $148 Sale Price -> ? Mr Ng has $400. He spent 25% of his money. How much money did he spend? 100% -> $400 1% -> $400 ÷ 100 = $4 25% -> $4 x 25 = $100 Usual Price -> $399 Sale Price -> ? Usual Price -> $299 Sale Price -> ? 2nd Method: Multiplication 1st Method: Unitary Mr Ng has $400. He spent 25% of his money. How much money did he spend?

Percentage Presentation

Transcript: Total: 4966 Convert the raw data on the table to percentages. Lets Convert! Male to Female Upper to Lower We converted.... Now what? Female: 48.6% According to UTSA Fact Book! We may have to just agree to disagree on this one! Men to women Lower multiply by .552! Upper to Lower Conclusion! Male: 51.4% Main Objective Total of 994! Lower/4966= 71.2% Upper/4966= 28.7% Males multiply by .514! Men/ Total= 49.3% Upper: 44.8% Lower: 55.2% Females multiply by .486! Upper multiply by .448! Data is not sufficient until compared to the entire student body. Women/ Total= 50.7% Percentage Presentation

PERCENTAGE

Transcript: Divide the numerator by the denominator to convert fraction to decimal, then move the decimal point two places to the right, and add the percent sign. Changing Fraction to Percent Find the Percentage: 1. What is 30 percent of 250? 2. Find 120 percent of 45? 3. What number is equal to 30 1/2% of 80> 4. 0.4% of 700 is equal to what number? 5. How much is 2/5 of 90? 6. find 30% as great as 50% of 150? Jaysen Carl T. Abreu Unit 3 Remove the % symbol and move the decimal point two places to the left or divide the given number by 100 Convert the following decimal to percent. 1.) 0.83 6.) 0.09 2.) 0.0038 7.) 2.55 3.) 9.6722 8.) .3768 4.) 0.76 9.) 92.86 5.) 0.435 10.) 5.425 Convert the following fractions to percent Examples: 1 . What part of 400 is 50 ? 2. How many percent of p1,200.00 is P400.00 Given:B=400 , P=50 Given: B=P1,200.00 , P=P400.00 Find: R? Find: R? Solution: Solution: R= P/B R=P/B = 50/400 = 1/8 = p400/p1,200 R= 1/8 = 1/3= .3333 = 33.33% R= 33.33% Project in Business Math... Remove the percent sign, then multiply the number by 1/100 and reduce to lowest term. Formula: R = P/B 1. 300 is 50% of how many ? 2. 20% of what number is 45? Given : P = 300 , R=50% Given: P=45 , R=20% Find: B ? Find : B ? Solution: Solution : B= P/R B= P/R = 300/50% = 300/.5 = 600 =45/20% = 45/.20 =225 B=600 B=225 EXERCISE 2 Changing Percent to Fraction Finding the Percentage : Multiply the base by the rate. Formula : P = BR Where: B = Base , R= Rate Example: 1. Fifty percent of 24 is what ? 2.Whats is 3/8 as large as 800? Given: R=50% . B=24 Given: B=800, R= 3/8 Find: P Find: P ? Solutiuon: Solution: P=BR P= BR P=(24) (50%) = (800) (3/8) = (24) (1/2) P = 300 P = 12 1 . 53 % 6. 40% 2. 0.6% 7. 10 1/4 3. 62.74% 8. 0.055% 4. 54 1/5% 9. 2080% 5. 10% 10. 240% Christian Elijah Ardona Find the Base EXERCISE 3 Solve the following : and 50%= .50 .008%= .00008 36%= .36 2%= .02 Convert the following percent to fraction . Examples: 1/4=0.25=25% 1/2=.50=50% 3/4=.75=75% Formula: B = P/R Examples: EXERCISE 4 Changing Decimal to Percent Finding the Rate : Divide the percentage by the base Move the decimal point two places to the right and affix the percent sign. Examples: .18=18% .09=9% 54.3=5430% .987=98.7% Convert the following percent to decimal 1. XYZ Metal Industries has 1,600 employees , 60%of which constitutes the productin staff. How many loyees are in production.? 2. JRB company reduces its work force of 35,000 by 4.7% . How many employees were laid off? 3. Of the 30 employees who started a promotional training program, 12 dropped out. what is the droput rat? 4. Of all students of CCp , 3,600 watched the PBA championship game. If 828 students watched the game , what percent watched the game ? 5. Payroll deductions comprise 35% of Reina's gross income per month . If her Deduction total P6,860, what is her gross income? 6. According to the Department of Labor and Employment's (DOLE) report. 2.3 million filipinos, or 20% of the country 's workforce, were unemployed. How large was the workforce? Submitted By: Exercise 1 1. 2/5 6. 2/30 2. 1/12 7. 9 1/5 3. 1/3 8. 1 5/8 4. 3/8 9. 8 2/3 5. 3 1/2 10. 5 2/3 Means a number of parts taken from 100. PERCENT Examples: Base, Rate and Percentage Percentage 1.72 is what percent of 90? 2. What percent of 35 is 210? 3. 18 is what part of 60? 4. what part of 35 is 20? 5. What percent of 90 is 50% of 60? Examples: 76%=76(1/100)=3/800 3/8%=3/8(1/100)=3/800 150%=150(1/100)=3/2 Find the rate. Changing Percent to Decimal Finding the base : Divide the percentage by the rate . 1.) 50% 6.)2080% 2.)25.5% 7.)0.055% 3.)9% 8.)0.125% 4.)0.11% 9.)39.25% 5.)240% 10.)10 1/4% 1. 20% of what number is 45? 2. 80 is equal to 10% of what number? 3. 60 is 2/5 of what number? 4. 2/9 as much as what number is 30? 5. 50% of 80 is 20% of what number?

Percentage

Transcript: Decimals to Percentage Converting = divide by 100 is to move the decimal point 2 places to the left, and remove the '%' sign. Percentage example= 5/10 denominator=10 numerator =5 =10x?=100 =5xconstant number =10x10 for denominator =100 =5x10 =50 =50/100=1/2 Example 62.5/100 62.5 is not a whole number =62.5 has only 1 number after the decimal point =62.5x10 =100x10 =625 =1000 =625/1000 Percentage to Fraction From Fraction to Percentage Converting = Write down the percentage divided by 100, simplify. If the percentage isn't a whole number, both numerator and denominator with 10 for every number after the decimal point. (For example, if there is one number after the decimal, then use 10, if there are two then use 100, etc.). Then simplify. 1. In a sale, a jacket costing $40 is reduced by 20%. What is the sale price? 2. In 2010 a club has 250 members who each pay $95 annual subscription. In 2011 the membership increases by 4% and the annual subscription is increased 6%. What is the total income from subscriptions in 2011? 3. In Thailand the population of a town is 48 700 men an 1600 women. What percentage of the total population are men? Example 75% = move the decimal point 2 to the left 0.75% = remove the '%' sign =0.75 Percentage to Decimal What is Percentage? Example 0.125 2 places to the right =12.5% Percentage is a number or ratio as a fraction of 100.it is often denoted using the percent sign '%' or the short 'pct'. it can be explained by expressing fractions or decimals in a convenient way Convert = Multiply by 100 to move the decimal point 2 places to the right, then add the '%' sign. Adilla Dyah Putri A. Firna Fadya Hayya Stephanie Fleadora M.P. Nawang Wulan Kartika 7I Converting = Divide the numerator with the denominator, multiply by 100, and add a '%' sign. Expressing = Multiply the denominator with a constant that makes it 100, then multiply the numerator by the same constant that you used for multiplying the denominator. QUESTIONS

Percentage presentation

Transcript: m 1 2 p b Y g X A Solving Percent Problems B Objective Today we will learn how to solve percent problems . Standard: 7.RP.3. Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error. C Change the following percent to a decimal: 80% .7% 9% 105% 2(4/5)% 45% 2.8% 5% 125% 9(3/5)% Change the decimal to a percent. 0.8 3 4.62 1.275 0.05 0.05 7 8.95 2.142 D Words and Meaning: E "Is" means equals (=) "Of" means multiply ( ) "What" means variable (x) "Find" means (x =) E Importance Real Life: To figure out how much money you will have to pay for taxes. To figure out if you will have enough money to pay. To figure out how amount of tip you will have to pay the server. To figure out the discount you will receive Academic: To get a good grade in class. To get a good score on your quiz. Step to Solve Percent Problems 1- Change Percent into a decimal 2- Change "is " to "=" 3- Change "of " to "." 4- Change unknown "what " to "x" 5- Solve the equation Example 1: Write a mathematical sentence and solve. Find 12% of 70. Ex 2: Write a mathematical sentence and solve. What is 40% of 28? We Do: Write a mathematical sentence and solve. What is 10% of 88? You Do: Write a mathematical sentence and solve. What is 32% of 300? You Do: Find the greater value. A. 20% of 16 B. 10% of 90 C.25% of 40 D. 100% of 7 F What is your presentation about? Introduction

Percentage Presentation

Transcript: Percentage! Converting percentages video: https://www.youtube.com/watch?v=rR95Cbcjzus&t=278s CONVERTING %'S 10% = 0.10 15% = 0.15 20% = 0.20 35% = 0.35 50% = 0.50 61% = 0.61 73% = 0.10 87% = 0.10 100% = 1.0 k Finding Percentages To find a percentage from a number you need to divide by 100 and times by that number. How many is that? What is 32% of 55? We know that 32% = 0.32 So 0.32 x 55 = 17.6 HOW MANY OUT OF A NUMBER? Table Work Table work A school has 1235 students taking these classes. Complete the table to find out how many students there are in each subject and what percentage that is of the 1235 total. Remember if your answer is .5 or heigher round up but if its .4 round down. (you cant have half a student) Bookwork Continue on worksheet 4:3 on page 105

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