Friday, January 22, 2016

Video: 9.999...reasons 0.9999...=1 by ViHart

As we explore the world of fractions, decimals, and percents, the sixth graders have stumbled into the annual debate about whether 0.9999...repeating is equal to one. I enjoy hearing their reasons for both sides and how passionate they get about their point of view.  To wrap up the debate, I share this definitive video about why 0.999.... is equal to one. It is the work of one of my favorite YouTube stars, ViHart.  If you have not had the pleasure of experiencing ViHart, enjoy. I recommend just letting the experience wash over you first, then go back for a closer look on the second time round. Or third....

Does she convince you? 

Thursday, January 21, 2016

Population Growth

In 6C, we ended up on a tangent discussing population and population growth. I shared this video with the class because I thought it was a nice illustration of why the population on the planet earth has grown so much. It unearthed questions about history, and where are we headed. They asked that I share this with them, so here it is!