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)

Print Friendly

One thought on “Seeing Double

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>