Tuesday, October 14, 2014

How Can You Tell If A Change Has Occurred?

Our introductory exploration of Changes in Matter:
We observed the physical properties of baking soda and vinegar with all of our senses.
Materials Managers wore safety glasses while pouring the vinegar into the baking soda.  (And some thought they were so cool they wore them before.  :-)) 
We observed the physical properties again after pouring the vinegar into the baking soda and noticed several changes!  Do you think this change is permanent?









Check out these changes:










Monday, October 13, 2014

LearnZillion Resources


Last week during my math training, a colleague from another school shared LearnZillion with me.  LearnZillion is a free, online collection of brief tutorial videos.  Here are a few that are relevant to our current unit, Factors, Multiples, and Arrays:




We've used many of these strategies in class.  Some are new (finding factor pairs with a t-chart, multiples using number bonds/table/number line), but any of them will work.