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