math talk: promoting equitable mathematical discourse · math talk: promoting equitable...
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Math Talk: Promoting Equitable Mathematical
DiscourseGeoff Krall | NTN School
Development Coach gkrall@newtechnetwork.org |
Twitter: @geoffkrall
NTAC 2016
Objective
Have some fun experiencing activities that promote mathematical
classroom discourse
Optional Objective (for you do-gooders out there)
Draw some generalizable principles around equitable mathematical
discourse.
Clothesline Math
Which One Doesn’t Belong
Desmos: Polygraph
Quarter the Cross
Discourse Producing Activities
Clothesline Math
x+3=8
2x = 32
3x+6=24
Desmos: Polygraph (Quadrilaterals)
Go to:
student.desmos.com
Enter code: “XXXX”
How can you be sure that you’ve shaded
exactly 1/4?
Can you convince your neighbor that you’ve shaded exactly 1/4?
Math Talk: Promoting Equitable Mathematical
DiscourseGeoff Krall | NTN School
Development Coach gkrall@newtechnetwork.org |
Twitter: @geoffkrall
NTAC 2016
Additional resources at emergentmath.com/mathtalk
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