Contains 54 pages of matching numbers to their word forms and, for numbers up to 60, to a set of dots arranged in rows of 10Difficulty increases as numbers get bigger, from single- and double-digit numbers to millionsMany pages are designed to catch common errors (e.g. 1,000,000 vs. 1,000, 100,000 vs. 1,100)Good for learning to write and spell numbers and to connect the numerals with the number of dots at a glance (e.g. to tell 30 from 31 by seeing one dot outside of the tens) Great for dyscalcu