Numberline Frog: Hoppin' Below Zero!

Introducing our newest installment in the Numberline Frog series. This larger iPad app extends our interactive numberline into negative territory. With an animated frog, cartoon sounds, and a game-like format, Hoppin Below Zero offers an approachable introduction to the concept of negative integers for your early elementary mathematician.

Key features include:

-- randomly generated math problems with answers ranging -8 to 8 -- subtraction of negative integers is omitted

-- child responds using numbered buttons which are arranged on a standard numberline

-- animated frog illustrates each problem by hopping along the numberline once the correct answer is chosen

-- child earns a star for each problem answered correctly on the first attempt

-- three game modes are included: addition, subtraction, and mixed problems