Geoboard & Number Rack – Good Elementary Math Apps

Geoboard and Number Rack are two simple iPad and web apps that elementary school teachers may find useful for mathematics lessons. On Geoboard students stretch virtual rubber bands over pegboards to create lines and shapes to learn about perimeter, area, and angles. The web app is available here and the free iPad app is available here.

Number Rack provides a set of virtual number beads that are grouped into sets of five red and five white beads. Number Rack on the iPad allows students to have up to 10 rows of beads. Number Rack on the web provides up to five rows of beads. You can obscure some of the beads to model subtraction and addition with the virtual beads. Number Rack for iPads is available here and it is available here for the web.


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