Patent ID: 7909609

Claim:
A method of indicating a final digit of each number in a sequence of numbers when counting in multiples, the method comprising: providing an educational device comprising a base and a set of ten markers positioned on the base, the markers being spaced apart from one another along a generally annular path; associating each marker with a respective one of a range of numbers 0 through 9; associating the numbers with the markers in a sequence such that the marker having the number 0 associated therewith is positioned between the marker having the number 9 associated therewith and the marker having the number 1 associated therewith and the remaining markers are positioned in increasing numerical order when advancing from one marker to the next in a first direction about the annular path; visually associating the marker having the number 0 associated therewith another one of the markers having the number associated therewith corresponding to the final digit of the next number in the sequence of numbers; and visually associating each previously associated marker with a subsequent one of the markers having the number associated therewith corresponding to the final digit of the subsequent number in the sequence of numbers until the subsequent one of the markers is visually associated with the marker having the number 0 associated therewith.