CPM Student Tutorials

CC2 4.3.2: 4-90 Student eTool (CPM)

Updated Mar 16, 2018

Building expressions with Algebra Tiles.

Build the following expressions with algebra tiles.  Then rewrite the expression a different way. Remember that parentheses in an algebraic expression allow you to show that tiles are grouped together.

a. 4(2x + 3)

b. 12x + 18

c. 10 + 15x

(Hint: Divide into as many equally-sized groups as possible)

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