Visually solving equations. "Flaps" are "x" bc there are squares hidden under them. Same # under each flap and on each poster. #teach180 http://pic.twitter.com/c9Ti4jpRfy
— Beverly Stuckwisch (@BStuckwisch) August 28, 2017
Visually solving equations. "Flaps" are "x" bc there are squares hidden under them. Same # under each flap and on each poster. #teach180 http://pic.twitter.com/c9Ti4jpRfy
— Beverly Stuckwisch (@BStuckwisch) August 28, 2017
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