(The Learning Company) (1998)\rbr\rbrExotic animals disappear. A world-famous scientist vanishes. Something fishy is afoot! Join the ClueFinders on a clue-searching trek into the depths of the rain forest. From reading maps to building bridges, every ivity brings kids closer to unraveling this astounding mystery, while mastering essential third grade skills.\rbrExplore 30 interive games and exercises designed for kids, ages 7 to 9 and older. Build more than 75 key third grade skills in math, language, science, geography, and problem solving. Four levels of difficulty and a variety of tricky challenges keep ClueFinders 3rd Grade Adventures: Mystery of Mathra fun and fresh. Detailed help features guide kids throughout, and built-in progress reports help parents navigate their childs learning fun.