Two versions that can be printed on white or colored papers and laminated to keep with students as a reference all year. The bracelets are set up differently so the student can keep it on hand until he memorize it, and then to have the next bracelet with a new multiplication table.
In geometry a quadrilateral is a four-sided polygon, having four edges and four corners. The word is derived from the Latin words "quadri", a variant of four, and latus, meaning "side". This is a summary of "Definitions of Quadrilaterals" using a foldable wheel.