Algebra TacTiles
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These are used as tangible representations of algebraic multiplication of basic functions and expressions
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Model information
- Source
- Printables
- Category
- Math
- License
- Creative Commons — Public Domain
Algebra TacTiles is an attempt to create a highly tactile interactive version of common algebra tiles for multiplication and simplification of an algebraic formula or expression
The board consists of two parts that can be connected via a hinge and an M3x10 screw. There are two inserts that we printed in TPU to reduce friction between the tiles and the board.
There are three tile types:
- x^2 tile: this has dimensions x by x and area x^2 in both the positive and negative
- x tile: this has dimensions x by 1 and area of x, again with a negative tile provided
- one tile: 1 by 1, area of 1, with a negative 1 tile
The tiles are designed such that an x tile can only connect to an x^2 tile along the x-dimension side, and to a one tile along the 1-dimension side so that incorrect connections do not fit correctly.
All parts are printed in PLA on Prusa MINI printers with two exceptions:
- The board pieces were printed on MK3S printers due to size
- The board inserts were printed on MK3S with FLEX filament
The example photos show:
- (x+1) * (x-2) = x^2 + x - x^2 - 2x - 1 = -x^2 -1
- (x+1) * (x+1) = x^2 + 2x + 1