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
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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