Definitions for "manipulative"
Any object given to children to encourage them to learn by manipulating physical objects; applied especially to solid objects of varying geometrical shape that can be fit together to form larger aggregates.
A manipulative is an item used in conjunction with a hands-on teaching method. For instance, if a parent is helping their child learn to count, they could use pennies as manipulatives. Saxon math for the younger grades requires the use of certain manipulatives, which can be improvised using household or craft materials or can be purchased using the order form included with the math kit.
Learning aid that students can touch, feel, or hold.
(adj.) Manipulative experiments involve two or more experimental variables. They must be designed carefully to avoid ambiguous results. Contrast with a mensurative experiment.
Prone to attempt to influence others by devious or subtle psychological means, in order to induce them to do what one wants.
skillful in influencing or controlling others to your own advantage; "the early manipulative techniques of a three-year-old"
Keywords:  pertaining, performed
Of or pertaining to manipulation; performed by manipulation.