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Home > CCAA > Chapter 2 Unit 4 > Lesson CC3: 2.1.4 > Problem 2-41
2-41.
Can zero be represented by any number of tiles? Using only the unit tiles (in other words, only the
tiles Two identical tiles in opposite regions will make zero.
There are other correct solutions.
tiles Use the same ideas as in part (a).
tiles Could you add a single tile to part (a) and still have zero?
Use the expression mat in the eTool below to determine if zero can be represented.
Click the link at right for the full version of the eTool: 2-41 HW eTool (CPM)