Unit 4 (2nd ESO): Proportions and Percentages

Video 1: Ratios And Rates https://www.youtube.com/watch?v=RQ2nYUBVvqI

Video 2: Proportions  https://www.youtube.com/watch?v=USmit5zUGas

Video 3: Directly And Inversely Proportional Relashionship  https://www.youtube.com/watch?v=5WJCOPTPV3c

Video 4: What Are Percentages?  https://www.youtube.com/watch?v=JeVSmq1Nrpw

Video 5: Finding A Percent Of A Number:  https://www.youtube.com/watch?v=rR95Cbcjzus

Video 6: What A Percent Is It? https://www.youtube.com/watch?v=Uf-Rl1e2I4Q

Video 7: Percents Missing Total  https://www.youtube.com/watch?v=HxEQxS0QSwg