This is the second set of cards. These can also be printed double or single sided. There is a word, definition, and visual on the card and the single word on the next. There are 58 pages in this set and each page has three cards. Combined with the first set there is a total of 189 cards! Updated to include circumference, similar, equivalent, temperature, and Montessori binomial, trinomial cards, and convergent, divergent, diameter, radius, oblique, vertical and horizontal.