Karen Campe

Going up by 600% means 7x as much, bc we add 6x original to original amount.
Going from $600 to $10 is amount of change div by original amount --> 590/600 = 98.3% decrease.
I updated my "Prime Percents" post explaining successive percent changes
#iTeachMath #MTBoS
with help from @kityates, Howie Hua, and @AstroKatie

https://karendcampe.wordpress.com/2024/07/26/prime-percents/#update-Apr26

Prime Percents

Understanding Successive Percent Changes I was recently grocery shopping at Whole Foods, and I noticed this sign advertising deli ham for 20% off. I was glad to get a great sale price on my lunch m…

Reflections and Tangents
Apr 23 at 4:25pmWeb
Show threadcognitively accessible mathApr 27
@KarenCampe @kityates @AstroKatie
Yes. It's a teachable moment! Esp. the idea of teaching "no, it's really not okay to be that easily fooled."