This Smart Notebook File will engage students in learning to write unit ratios so they can compare which item is the best buy. Visual representations of ratios is used to help students gain deeper understanding.

If you don't have the smart notebook technology, you can still use this file with the Smart Notebook Interactive Viewer, a free download, from www.smarttech.com. Using this software you can project the file on a white board or a screen using your computer. Operate the file using your mouse.

A full set of directions is contained in the zipped file.