### Home > CCA > Chapter A > Lesson A.1.4 > Problem A-43

A-43.

Can zero be represented by any number of tiles? Using only the unit tiles (only the

tiles Two identical tiles in opposite regions will make zero.

There are other correct solutions.

tiles

In part (a), we reasoned that it is possible to make zero with

tiles. Since is a multiple of , we should also be able to make zero with .

tiles Could you add a single tile to part (a) and still have zero?

Use the eTool below to solve the problem.

Click the link to the right for full version. *CCA A-43 HW eTool*