Increase student vocabulary with 81 prefix words. Montessori inspired 3 part definition cards introduce the same words on the wheels in Set 2. This set includes prefixes inter, tele, bio, auto, geo, micro, photo, anti, macro. Each prefix includes 9 words. These are especially helpful in a tutoring, small group setting, or for self-paced motivated students. Definition Cards for Set 1 Prefixes bi, tri, quad, penta, hexa, oct, poly, mid, and thermDefinition Cards Set 5 Prefixes non, ex, im, in, i