Maya numbers – an interactive maths game
Learn Maya numerals by solving base-20 arithmetic and building answers with dots, bars and the shell symbol for zero.
Master the Maya base-20 system
Three signs, positional value
A dot is one, a bar is five and a shell is zero. Beyond 19, vertically stacked levels represent powers of twenty.
Read, calculate and write
Convert Maya notation, solve arithmetic and construct the result yourself. Later rounds require carrying between levels rather than merely counting marks.
A game, not a converter
This page tests positional understanding with progressive tasks. Use the separate Maya numeral tool when you only need a direct conversion.