Fractions Decimals and Percents puzzles! - If you put it on a clear plastic square, the picture on the back will be complete. (I guess I would need 2 pieces of plastic for each puzzle, solve on one side sandwich with second piece, and flip!
Finally a better use for those old clothespins that can no longer hang student work from our classroom ceilings! Use them for comparing and ordering fractions, decimals, and percents, as well as place value
Can differentiate with double digits (double digit by double digit multiplication or even fractions). This site has great math projects. This can be done with nails in a board and colored yarn. Makes a great pricture too.