Finalist in the 2017-2018 Math Video Challenge. This video was created by Salk School of Science. Related Videos WHERE'S WALDORF (2012-2013 WINNER) WE'RE RICH (2013-2014 WINNER) MIX N MATCH: THE POWER OF CLEVER COMBINATIONS (2011-2012 WINNER) TELEPORTATION POTION / PERCENT MIXTURES VACATION TO HAWAII Difficulty Medium CCSS (Common Core State Standard) G-SRT.5 Math topic Measurement