A Mathematical
Tug-of-War
Who wins the final round?
Three grandmas and Ivan vs. four acrobats
• Think & write about the problem
independently.
• Solve it with a partner
• Show your solution and write an explanation
of your reasoning on a poster.
Gallery Walk
• With your triad, walk around a read the other
posters.
• Use post-it notes to make a comment.
__________ was helpful because ______ .
I like __________because ___________ .
I am confused about ____________.
Triads should make only one comment per poster