Sierra Vista Software

This fun math game will help children and adults to practice elementary math starting with addition.

We designed this app specifically for adult literacy students. This App covers all 220 of Dolch Sigh

This is not a joke - kids love robots. Why not use this to your advantage? Let our friendly robot he

Learn dozens of useful Spanish words and phrases. The audio was recorded by a native Spanish speaker

This fun game teaches dozens of useful phrases in Mandarin. Although this game may not be appropriat

How Well Can You Spell? This game helps memorize spelling of some of the most misspelled words in th

Did you know that automatic recognition of Sight Words is critical for functional literacy?This fun

This game helps memorize spelling of some of the most misspelled words in the English language. The