Thinking about integers today with a problem from @IllustrateMath "Operations on the number line" Lots of kids discussing! #teach180
— Between the Desks (@BetweenDesks) September 6, 2017
Thinking about integers today with a problem from @IllustrateMath "Operations on the number line" Lots of kids discussing! #teach180
— Between the Desks (@BetweenDesks) September 6, 2017
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