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Algebra Tiles

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by

Shea Howard

on 14 June 2013

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Transcript of Algebra Tiles

Shea Howard
Math Curriculum, sped K-12
showard1@austinisd.org
Using
Algebra Tiles
to Promote
Conceptual Understanding

Expressions and Equations
Naming the Pieces
Expression Grab
Grab a set of tiles and simplify.
Distribution
Zero Pairs
Integer Operations
Model this:
3x
-2x + 4
2x² + x -3
Evaluating
Solving
Polynomial Multiplication
Simplifying
2(x-3)
-2(x+2)
-3(2x-3)
(-3x-1) - (4x+2)
(2x²-2x+3) - (3x²+3x-2)
3 + 2x, if x = 4
2x² + 3x - 5, if x = -2
2x - 4 = 8
-x + 4 = 3x -2
2x(x+2)
(x-2)(x-3)
Factoring
3x + 3
4x² + 4x +1
Studies show that students who are instructed using the
Concrete-Representational-Abstract approach:

1. develop more precise and more comprehensive mental representations

3. understand mathematical ideas

4. better apply math to life situations
The Access Center 2004
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