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.