Mathtopia

Same game play as Mathtopia+ with the early levels of addition free. Smart Apps for Kids says of Mathtopia+: "...the first app I've reviewed that has been so addicting to me I couldn't stop playing long enough to write the review. It's also being played by all three of my children, in 6th grade, 3rd grade, and kindergarten, and I've even heard them fighting over the iPad for more Mathtopia+ time. …