Counters may be purchased in limitless variations, at varying prices. Some counters are transparent for overhead use. Constructed or collected counters provide economical alternatives to purchased products. Dice may be purchased in a wide variety of formats. Common six-sided dice are readily available or easily constructed but speciality dice with more than the standard number of faces would need to be purchased.
Dice are useful for probability, games, counting, various operations, and place value.
The prices of dice vary considerably depending upon type. D-Stix are hollow plastic sticks with joiners that allow construction of simple and complex geometric structures. Fraction Blocks are wooden shapes used in conjunction with pattern blocks. The addition of a set of double hexagons and chevrons to a set of pattern blocks enables students to explore concepts with fractions whose denominators are factors of 12. Fraction Circles can be easily made out of paper or plastic sets may be purchased.