Seeing Double/Seeing Double

     Work these groups of problems to SEE-SEE a very strange-strange thing. When you are done, describe any patterns that you notice. 



(A)   532  +  252  =  _______      52  +  32  =  ______

	252  +  482  =  _______		22  +  52  =  ______

	482  +  762  =  _______		42  +  82  =  ______

	762  +  532  =  _______		72  +  62  =  ______



(B)   582  +  752  =  _______		52  +  _2  =  ______

	772  +  632  =  _______		_2  +  _2  =  ______



(C)	162  +  592  =  ______		12  +  _2  =  ______

	382  +  772  =  ______		_2  +  _2  =  ______



(D)	182  +  792  =  ______		_2  +  82  =  ______

	472  +  662  =  ______		_2  +  _2  =  ______



(E)	292  +  882  =  ______		_2  +  _2  =  ______

	672  +  642  =  ______		_2  +  _2  =  ______

     How's your vision by now? Are you "seeing things" more clearly?

tt(rev 8/25/84)

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