At first glance, they look like pages of grids, dots, squiggly lines, and stretchy shapes. Over 70 teasing puzzles entertain with disappearing faces, wheel-and-gear contraptions, funny money, and much more, at the same time they sharpen your wits about the mysteries of math. 135 illustrations.
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At first glance, they look like pages of grids, dots, squiggly lines, and stretchy shapes. Over 70 teasing puzzles entertain with disappearing faces, wheel-and-gear contraptions, funny money, and much more, at the same time they sharpen your wits about the mysteries of math. 135 illustrations.
Read Less
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Seller's Description:
Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.