Sunday, April 13, 2014

april 13

Add numbers separated by two. Is the result always even? Add three numbers separated by two... What now?

More Chinese reminders

Game with stickers on forehead: each reports how many blue/red stickers they see; define their own color. Two stickers?

Graph paper and rulers. Coordinate axes.
Place points. Are the three points on one line?

Digital straight line: draw line; see how the horizontal/vertical bars are intersected. Is there a pattern?

Unknot an unknot

copper tube experiment

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