id	keyword
atpp-1105	children
atpp-1105	modeling
atpp-1105	philosophizing
atpp-1105	thinking
atpp-1105	mathematics
atpp-1105	pots
atpp-1105	group
atpp-1105	discussion
atpp-1105	philosophy
atpp-1105	hamburg
atpp-1105	teaching
atpp-1105	class
atpp-1105	problems