Your team forgot to clean up their algebra tiles and now they are all over your desk.
How many of each type of tile is there? Count the tiles of the same type to combine them together in the same group.
Remember, unit tiles are just integers and can be combined as well.
Explore the problem with the etool below.
Click the link at right for the full version of the eTool: MC2 3-8 HW eTool