A poster explaining the steps to do the proper conversion for each focusing in the following:
Decimals to Fraction and Percent Converting Percents to Fractions and Decimals Converting Fractions to Decimals and Percent
Awesome tool that can be carried in any device. Be printed and laminated, or hang on a wall. Very handy when working on problems and need a refresher. Also a great resource to add to your math center/binder.