Hosted by Mr. Denton Percent to Decimal to Fraction Using Grids for Fractions and Percents Parts of the Whole Multiplying & Dividing Decimals 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 56% 0.56 Use a calculator to turn the following fraction into a percent and decimal: 14/25 Row 1, Col 1 25% and 25 hits During the first four baseball games of the season I had 5 hits in my first 20 times at bat. What percent of the time did I get a hit? If you were to fill out a 100’s grid, how many squares would you fill in to represent my hits out of 100? 1,2 33.2 What is 10% of 332? 1,3 210 First estimate what the answer should be and then solve. 52.5 * 4 1,4 38/100 (19/50), 0.38 Rename the following percent as a fraction and decimal 38% 2,1 A) 20 squares B) 20 Days C) 40 days Out of every ten days it rains on average two days. A) How many squares on a hundreds grid would you fill in to represent this average? B) How many days out of 100 would it rain? C) How many days out of 200 would it rain? 2,2 a) 9 rmb off b) 51 rmb My new shirt normally costs 60 rmb, but I was able to buy it with a 15% discount. a) How much did I save on my new shirt? b) How much did my new shirt actually cost? 2,3 19.6 Use estimation to place the decimal in the appropriate place within the answer. 9.8 ÷ .5 = 196 2,4 1) 0.8, 80% 2) 9/10 (90/100), 90% 1) Write 4/5 as a decimal and percent. 2) Write 0.9 as a fraction and a percent. 3,1 A) 0.6, B) 60/100, 6/10, 3/5, C) 4/10, 2/5 Shade in 60% of the 100’s grid. A) Name the percent shaded as a decimal. B) Name the amount shaded as two different fractions. C) What fraction of the 100’s grid is not shaded? 3,2 a) 35 rmb b) 315 rmb Last week I paid for 5 tickets that were 70 rmb each to watch Monsters v. Aliens. I had a coupon so that the tickets were 10% off. A) How much money did I save with the coupon? B) How much did I pay for the tickets? 3,3 (Estimates Vary- around 6) 5.76 First estimate the answer then solve: 3.2 * 1.8 3,4 a) ¾, 0.75 b) 1/5, 0.2 c) 2/5 or 4/10, 0.4 Write the following percents as a fraction and decimal: a)75% b) 20% c) 40% 4,1 5 weeks I set a goal for myself to read 100 pages of the dictionary. Each week I mark in how many pages I’ve read. The grid represents the amount of pages I’ve read after two weeks. At this rate, how many weeks will it take me to read 100 pages of the dictionary? 4,2 a) 20 goals b) 40 goals I scored a goal in 25% of the soccer games this season. a) If I played in 80 games, how many goals did I score. b) At this rate, how many goals would I score in 160 games? 4,3 60.4 First estimate the answer then solve: 362.4 ÷ 6 4,4