Increase student vocabulary with these prefix word wheels at home or in school. This set #3 includes prefixes ab, arch, astro, co, dis, fore, hydro, hyper, uni. Each of the 9 word wheels includes 9 words. Each prefix has two key word cards with definitions. These wheels are especially helpful in a tutoring, small group setting, or for self-paced eager students. Print on white or light colored card stock, cut the circles, punch a hole in the center with a paper clip or pin, and assemble with a r